Image Quizzes

The findings in this case are suggestive of invasive lobular carcinoma (ILC).

Globally, breast cancer remains the most common life-threatening cancer diagnosed and the second leading cause of cancer-related deaths in women. In the United States, approximately 287,850 new cases of invasive breast cancer were diagnosed in 2022 and 43,250 deaths were attributed to breast cancer in the same year. Worldwide, approximately 2.3 million new diagnoses and 685,000 breast cancer-related deaths were reported in 2020.

ILC is one of the leading histologic types of invasive carcinoma, second in incidence only to invasive carcinoma of no special type. ILC accounts for 5%-15% of all invasive breast cancers, and its incidence has been steadily increasing — particularly among postmenopausal women — over the past two decades. ILC has distinct molecular and histopathologic features, including the loss of cell-cell adhesion molecule E-cadherin, resulting in small, discohesive cells proliferating in single-file strands; positivity for both the estrogen and progesterone receptor; and human epidermal growth factor receptor 2 negativity.

The diagnosis of ILC can be challenging, as it is difficult to detect both on physical examination and with standard imaging techniques. Patients are often diagnosed with late-stage disease, characterized by large tumors and lymph node involvement. The signs of ILC are often vague, such as skin thickening or dimpling. In addition, measuring the extent of ILC can be challenging, as traditional screening methods (eg, mammography and ultrasonography) have a low sensitivity for detecting ILC compared with other invasive breast tumors. This difficulty is usually ascribed to the diffuse infiltrative growth pattern of ILC. MRI has a greater sensitivity for detecting ILC.

Risk factors for the development of ILC have been identified and include:

•    Alcohol consumption
•    Use of combined hormone replacement therapy
•    Early menarche (menarche before the age of 12 years)
•    Late-onset menopause (menopause after the age of 55 years)
•    Nulliparity/low parity (defined by World Health Organization as fewer than five pregnancies with gestation periods of ≥ 20 weeks)
•    Late age at birth (> 30 years)
•    Family history (eg, hereditary diffuse gastric cancer syndrome)
•    Genetics (eg, CDH1 mutations)

Treatment protocols for ILC align with those used in other breast cancer subtypes and typically involve a multidisciplinary approach comprising surgery, radiotherapy, and systemic therapies. Cancers that are deemed resectable will typically be managed surgically upfront, although some patients may require neoadjuvant therapy to reduce tumor burden and facilitate surgical intervention. Breast-conserving surgery using a wide local excision can frequently be performed; however, in up to 65% of cases, a second surgery will be required (re-excision or mastectomy). Axillary lymph node status is a crucial factor in the prognosis of all breast cancers and affects surgical planning. Sentinel node biopsy is the standard method of assessing the axilla. 

Systemic therapy is an integral part of the multidisciplinary approach to treating breast cancer and usually involves the use of chemotherapy. However, because of the unique molecular biology of ILC, treatment response to chemotherapy is often poor, resulting in lower rates of complete pathologic response and higher rates of mastectomy. Conversely, ILC has been shown to respond well to endocrine therapy, making it the optimal treatment choice. Novel therapeutic approaches are under investigation. 

Detailed guidance on the treatment of ILC is available from the National Comprehensive Cancer Network.

Avan J. Armaghani, MD, Assistant Member, Department of Breast Oncology, Moffitt Cancer Center, University of South Florida, Tampa, FL.

Avan J. Armaghani, MD, has disclosed no relevant financial relationships.
 

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The findings in this case are suggestive of invasive lobular carcinoma (ILC).

Globally, breast cancer remains the most common life-threatening cancer diagnosed and the second leading cause of cancer-related deaths in women. In the United States, approximately 287,850 new cases of invasive breast cancer were diagnosed in 2022 and 43,250 deaths were attributed to breast cancer in the same year. Worldwide, approximately 2.3 million new diagnoses and 685,000 breast cancer-related deaths were reported in 2020.

ILC is one of the leading histologic types of invasive carcinoma, second in incidence only to invasive carcinoma of no special type. ILC accounts for 5%-15% of all invasive breast cancers, and its incidence has been steadily increasing — particularly among postmenopausal women — over the past two decades. ILC has distinct molecular and histopathologic features, including the loss of cell-cell adhesion molecule E-cadherin, resulting in small, discohesive cells proliferating in single-file strands; positivity for both the estrogen and progesterone receptor; and human epidermal growth factor receptor 2 negativity.

The diagnosis of ILC can be challenging, as it is difficult to detect both on physical examination and with standard imaging techniques. Patients are often diagnosed with late-stage disease, characterized by large tumors and lymph node involvement. The signs of ILC are often vague, such as skin thickening or dimpling. In addition, measuring the extent of ILC can be challenging, as traditional screening methods (eg, mammography and ultrasonography) have a low sensitivity for detecting ILC compared with other invasive breast tumors. This difficulty is usually ascribed to the diffuse infiltrative growth pattern of ILC. MRI has a greater sensitivity for detecting ILC.

Risk factors for the development of ILC have been identified and include:

•    Alcohol consumption
•    Use of combined hormone replacement therapy
•    Early menarche (menarche before the age of 12 years)
•    Late-onset menopause (menopause after the age of 55 years)
•    Nulliparity/low parity (defined by World Health Organization as fewer than five pregnancies with gestation periods of ≥ 20 weeks)
•    Late age at birth (> 30 years)
•    Family history (eg, hereditary diffuse gastric cancer syndrome)
•    Genetics (eg, CDH1 mutations)

Treatment protocols for ILC align with those used in other breast cancer subtypes and typically involve a multidisciplinary approach comprising surgery, radiotherapy, and systemic therapies. Cancers that are deemed resectable will typically be managed surgically upfront, although some patients may require neoadjuvant therapy to reduce tumor burden and facilitate surgical intervention. Breast-conserving surgery using a wide local excision can frequently be performed; however, in up to 65% of cases, a second surgery will be required (re-excision or mastectomy). Axillary lymph node status is a crucial factor in the prognosis of all breast cancers and affects surgical planning. Sentinel node biopsy is the standard method of assessing the axilla. 

Systemic therapy is an integral part of the multidisciplinary approach to treating breast cancer and usually involves the use of chemotherapy. However, because of the unique molecular biology of ILC, treatment response to chemotherapy is often poor, resulting in lower rates of complete pathologic response and higher rates of mastectomy. Conversely, ILC has been shown to respond well to endocrine therapy, making it the optimal treatment choice. Novel therapeutic approaches are under investigation. 

Detailed guidance on the treatment of ILC is available from the National Comprehensive Cancer Network.

Avan J. Armaghani, MD, Assistant Member, Department of Breast Oncology, Moffitt Cancer Center, University of South Florida, Tampa, FL.

Avan J. Armaghani, MD, has disclosed no relevant financial relationships.
 

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The findings in this case are suggestive of invasive lobular carcinoma (ILC).

Globally, breast cancer remains the most common life-threatening cancer diagnosed and the second leading cause of cancer-related deaths in women. In the United States, approximately 287,850 new cases of invasive breast cancer were diagnosed in 2022 and 43,250 deaths were attributed to breast cancer in the same year. Worldwide, approximately 2.3 million new diagnoses and 685,000 breast cancer-related deaths were reported in 2020.

ILC is one of the leading histologic types of invasive carcinoma, second in incidence only to invasive carcinoma of no special type. ILC accounts for 5%-15% of all invasive breast cancers, and its incidence has been steadily increasing — particularly among postmenopausal women — over the past two decades. ILC has distinct molecular and histopathologic features, including the loss of cell-cell adhesion molecule E-cadherin, resulting in small, discohesive cells proliferating in single-file strands; positivity for both the estrogen and progesterone receptor; and human epidermal growth factor receptor 2 negativity.

The diagnosis of ILC can be challenging, as it is difficult to detect both on physical examination and with standard imaging techniques. Patients are often diagnosed with late-stage disease, characterized by large tumors and lymph node involvement. The signs of ILC are often vague, such as skin thickening or dimpling. In addition, measuring the extent of ILC can be challenging, as traditional screening methods (eg, mammography and ultrasonography) have a low sensitivity for detecting ILC compared with other invasive breast tumors. This difficulty is usually ascribed to the diffuse infiltrative growth pattern of ILC. MRI has a greater sensitivity for detecting ILC.

Risk factors for the development of ILC have been identified and include:

•    Alcohol consumption
•    Use of combined hormone replacement therapy
•    Early menarche (menarche before the age of 12 years)
•    Late-onset menopause (menopause after the age of 55 years)
•    Nulliparity/low parity (defined by World Health Organization as fewer than five pregnancies with gestation periods of ≥ 20 weeks)
•    Late age at birth (> 30 years)
•    Family history (eg, hereditary diffuse gastric cancer syndrome)
•    Genetics (eg, CDH1 mutations)

Treatment protocols for ILC align with those used in other breast cancer subtypes and typically involve a multidisciplinary approach comprising surgery, radiotherapy, and systemic therapies. Cancers that are deemed resectable will typically be managed surgically upfront, although some patients may require neoadjuvant therapy to reduce tumor burden and facilitate surgical intervention. Breast-conserving surgery using a wide local excision can frequently be performed; however, in up to 65% of cases, a second surgery will be required (re-excision or mastectomy). Axillary lymph node status is a crucial factor in the prognosis of all breast cancers and affects surgical planning. Sentinel node biopsy is the standard method of assessing the axilla. 

Systemic therapy is an integral part of the multidisciplinary approach to treating breast cancer and usually involves the use of chemotherapy. However, because of the unique molecular biology of ILC, treatment response to chemotherapy is often poor, resulting in lower rates of complete pathologic response and higher rates of mastectomy. Conversely, ILC has been shown to respond well to endocrine therapy, making it the optimal treatment choice. Novel therapeutic approaches are under investigation. 

Detailed guidance on the treatment of ILC is available from the National Comprehensive Cancer Network.

Avan J. Armaghani, MD, Assistant Member, Department of Breast Oncology, Moffitt Cancer Center, University of South Florida, Tampa, FL.

Avan J. Armaghani, MD, has disclosed no relevant financial relationships.
 

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of leukemic non-nodal mantle cell lymphoma (MCL).

MCL is a rare mature B-cell neoplasm characterized by t(11;14) (q13;q32) and cyclin D1 overexpression in more than 95% of cases. It accounts for approximately 5%-7% of all lymphomas, with an annual incidence of one case per 200,000 people. In North America and Europe, the incidence of MCL is like that of noncutaneous peripheral T-cell lymphomas. MCL occurs more frequently in men than in women (3:1), and the median age at diagnosis ranges from ages 60-70 years. 

In recent years, MCL has been categorized into two major subgroups that have distinct clinical presentation and molecular features: nodal MCL and leukemic non-nodal MCL. Nodal MCL is a common variant with an aggressive disease course. Unmutated IGHV gene rearrangement, SOX11 overexpression, a higher degree of genomic instability (eg, ATM, CDKN2A, chromatin modifier mutations), and other oncogenic mutations and epigenetic modifications are seen in patients with this variant. 

Leukemic non-nodal MCL is seen in 10%-20% of patients with MCL. Patients frequently present with lymphocytosis and splenomegaly. In most cases, it is associated with an indolent disease course and superior outcome. This subtype is largely IGHV mutated and mostly SOX11-negative, with positive expression of CD200, peripheral blood, bone marrow, and splenic involvement, low tumor burden, and a low Ki-67 index.

Recognition of the leukemic non-nodal MCL immunophenotype enables it to be differentiated from other CD5-positive B-cell cancers, particularly classical MCL and chronic lymphocytic leukemia (CLL). The overexpression of cyclin D1, the presence of the t(11;14) translocation, and the absence of chromosomal markers typically present in CLL differentiate leukemic non-nodal MCL from CLL. Moreover, CLL has high expression of CD23 and is negative for SOX11 and CD200.

Pathologic features of MCL include small- to medium-size lymphocytes with scant cytoplasm, clumped chromatin, inconspicuous nucleoli, and prominent nuclear clefts. Observed growth patterns include diffuse, nodular (more vague and less discrete than that found in follicular lymphomas), mantle-zone lymphoma with expansion of mantle zones, and in situ mantle-cell neoplasia [typical cells with the characteristic t(11;14) translocation, scattered in the mantle zone of otherwise normal-appearing lymph nodes]. Cytologic subtypes include classic MCL, the blastoid subtype (large cells, dispersed chromatin, and a high mitotic rate), and the pleomorphic subtype (cells of variable sizes, although many are large, with pale cytoplasm, oval irregular nuclei, and prominent nucleoli). 

MCL is a challenging disease to treat. Despite treatment advances, it is largely incurable, with a median overall survival of 1.8-9.4 years, depending on whether it is aggressive or indolent MCL. The aggressiveness of the disease, the patient's performance status, age, and mantle cell international prognostic index score should all be considered when selecting treatment because there is no standard curative treatment. 

According to the 2023 guidelines from the National Comprehensive Cancer Network (NCCN), for patients with indolent disease (eg, IGHV mutated and mostly SOX11-negative with leukemic and non-nodal presentation), observation is reasonable when patients are asymptomatic and have no indications for treatment. For patients with symptomatic disease or other indications for treatment, induction therapy with aggressive regimens is recommended when patients do not have a TP53 mutation. The optimum approach for patients with TP53 mutation is not yet known; induction therapy followed by high-dose therapy with autologous stem cell transplant or less aggressive regimens could be an option for these patients.

Treatment options for relapsed/refractory MCL include radiotherapy; traditional chemotherapy regimens, with or without rituximab; and newer targeted therapies. These include Bruton tyrosine kinase inhibitors (ibrutinib, zanubrutinib, acalabrutinib, pirtobrutinib), lenalidomide, bortezomib, the mammalian target of rapamycin inhibitors temsirolimus and everolimus, the phosphatidylinositol 3–kinase inhibitors idelalisib and umbralisib, and the B-cell lymphoma 2 inhibitor venetoclax. These agents are frequently administered in combination with rituximab or another anti-CD20 antibody.

For comprehensive guidance on the treatment of MCL, consult the complete NCCN guidelines.

Timothy J. Voorhees, MD, MSCR, Assistant Professor of Internal Medicine - Clinical, Division of Hematology, The Ohio State University James Comprehensive Cancer Center, Columbus, OH.

Timothy J. Voorhees, MD, MSCR, has disclosed the following relevant financial relationships:
Received research grant from: AstraZeneca; Morphosys; Incyte; Recordati.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of leukemic non-nodal mantle cell lymphoma (MCL).

MCL is a rare mature B-cell neoplasm characterized by t(11;14) (q13;q32) and cyclin D1 overexpression in more than 95% of cases. It accounts for approximately 5%-7% of all lymphomas, with an annual incidence of one case per 200,000 people. In North America and Europe, the incidence of MCL is like that of noncutaneous peripheral T-cell lymphomas. MCL occurs more frequently in men than in women (3:1), and the median age at diagnosis ranges from ages 60-70 years. 

In recent years, MCL has been categorized into two major subgroups that have distinct clinical presentation and molecular features: nodal MCL and leukemic non-nodal MCL. Nodal MCL is a common variant with an aggressive disease course. Unmutated IGHV gene rearrangement, SOX11 overexpression, a higher degree of genomic instability (eg, ATM, CDKN2A, chromatin modifier mutations), and other oncogenic mutations and epigenetic modifications are seen in patients with this variant. 

Leukemic non-nodal MCL is seen in 10%-20% of patients with MCL. Patients frequently present with lymphocytosis and splenomegaly. In most cases, it is associated with an indolent disease course and superior outcome. This subtype is largely IGHV mutated and mostly SOX11-negative, with positive expression of CD200, peripheral blood, bone marrow, and splenic involvement, low tumor burden, and a low Ki-67 index.

Recognition of the leukemic non-nodal MCL immunophenotype enables it to be differentiated from other CD5-positive B-cell cancers, particularly classical MCL and chronic lymphocytic leukemia (CLL). The overexpression of cyclin D1, the presence of the t(11;14) translocation, and the absence of chromosomal markers typically present in CLL differentiate leukemic non-nodal MCL from CLL. Moreover, CLL has high expression of CD23 and is negative for SOX11 and CD200.

Pathologic features of MCL include small- to medium-size lymphocytes with scant cytoplasm, clumped chromatin, inconspicuous nucleoli, and prominent nuclear clefts. Observed growth patterns include diffuse, nodular (more vague and less discrete than that found in follicular lymphomas), mantle-zone lymphoma with expansion of mantle zones, and in situ mantle-cell neoplasia [typical cells with the characteristic t(11;14) translocation, scattered in the mantle zone of otherwise normal-appearing lymph nodes]. Cytologic subtypes include classic MCL, the blastoid subtype (large cells, dispersed chromatin, and a high mitotic rate), and the pleomorphic subtype (cells of variable sizes, although many are large, with pale cytoplasm, oval irregular nuclei, and prominent nucleoli). 

MCL is a challenging disease to treat. Despite treatment advances, it is largely incurable, with a median overall survival of 1.8-9.4 years, depending on whether it is aggressive or indolent MCL. The aggressiveness of the disease, the patient's performance status, age, and mantle cell international prognostic index score should all be considered when selecting treatment because there is no standard curative treatment. 

According to the 2023 guidelines from the National Comprehensive Cancer Network (NCCN), for patients with indolent disease (eg, IGHV mutated and mostly SOX11-negative with leukemic and non-nodal presentation), observation is reasonable when patients are asymptomatic and have no indications for treatment. For patients with symptomatic disease or other indications for treatment, induction therapy with aggressive regimens is recommended when patients do not have a TP53 mutation. The optimum approach for patients with TP53 mutation is not yet known; induction therapy followed by high-dose therapy with autologous stem cell transplant or less aggressive regimens could be an option for these patients.

Treatment options for relapsed/refractory MCL include radiotherapy; traditional chemotherapy regimens, with or without rituximab; and newer targeted therapies. These include Bruton tyrosine kinase inhibitors (ibrutinib, zanubrutinib, acalabrutinib, pirtobrutinib), lenalidomide, bortezomib, the mammalian target of rapamycin inhibitors temsirolimus and everolimus, the phosphatidylinositol 3–kinase inhibitors idelalisib and umbralisib, and the B-cell lymphoma 2 inhibitor venetoclax. These agents are frequently administered in combination with rituximab or another anti-CD20 antibody.

For comprehensive guidance on the treatment of MCL, consult the complete NCCN guidelines.

Timothy J. Voorhees, MD, MSCR, Assistant Professor of Internal Medicine - Clinical, Division of Hematology, The Ohio State University James Comprehensive Cancer Center, Columbus, OH.

Timothy J. Voorhees, MD, MSCR, has disclosed the following relevant financial relationships:
Received research grant from: AstraZeneca; Morphosys; Incyte; Recordati.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of leukemic non-nodal mantle cell lymphoma (MCL).

MCL is a rare mature B-cell neoplasm characterized by t(11;14) (q13;q32) and cyclin D1 overexpression in more than 95% of cases. It accounts for approximately 5%-7% of all lymphomas, with an annual incidence of one case per 200,000 people. In North America and Europe, the incidence of MCL is like that of noncutaneous peripheral T-cell lymphomas. MCL occurs more frequently in men than in women (3:1), and the median age at diagnosis ranges from ages 60-70 years. 

In recent years, MCL has been categorized into two major subgroups that have distinct clinical presentation and molecular features: nodal MCL and leukemic non-nodal MCL. Nodal MCL is a common variant with an aggressive disease course. Unmutated IGHV gene rearrangement, SOX11 overexpression, a higher degree of genomic instability (eg, ATM, CDKN2A, chromatin modifier mutations), and other oncogenic mutations and epigenetic modifications are seen in patients with this variant. 

Leukemic non-nodal MCL is seen in 10%-20% of patients with MCL. Patients frequently present with lymphocytosis and splenomegaly. In most cases, it is associated with an indolent disease course and superior outcome. This subtype is largely IGHV mutated and mostly SOX11-negative, with positive expression of CD200, peripheral blood, bone marrow, and splenic involvement, low tumor burden, and a low Ki-67 index.

Recognition of the leukemic non-nodal MCL immunophenotype enables it to be differentiated from other CD5-positive B-cell cancers, particularly classical MCL and chronic lymphocytic leukemia (CLL). The overexpression of cyclin D1, the presence of the t(11;14) translocation, and the absence of chromosomal markers typically present in CLL differentiate leukemic non-nodal MCL from CLL. Moreover, CLL has high expression of CD23 and is negative for SOX11 and CD200.

Pathologic features of MCL include small- to medium-size lymphocytes with scant cytoplasm, clumped chromatin, inconspicuous nucleoli, and prominent nuclear clefts. Observed growth patterns include diffuse, nodular (more vague and less discrete than that found in follicular lymphomas), mantle-zone lymphoma with expansion of mantle zones, and in situ mantle-cell neoplasia [typical cells with the characteristic t(11;14) translocation, scattered in the mantle zone of otherwise normal-appearing lymph nodes]. Cytologic subtypes include classic MCL, the blastoid subtype (large cells, dispersed chromatin, and a high mitotic rate), and the pleomorphic subtype (cells of variable sizes, although many are large, with pale cytoplasm, oval irregular nuclei, and prominent nucleoli). 

MCL is a challenging disease to treat. Despite treatment advances, it is largely incurable, with a median overall survival of 1.8-9.4 years, depending on whether it is aggressive or indolent MCL. The aggressiveness of the disease, the patient's performance status, age, and mantle cell international prognostic index score should all be considered when selecting treatment because there is no standard curative treatment. 

According to the 2023 guidelines from the National Comprehensive Cancer Network (NCCN), for patients with indolent disease (eg, IGHV mutated and mostly SOX11-negative with leukemic and non-nodal presentation), observation is reasonable when patients are asymptomatic and have no indications for treatment. For patients with symptomatic disease or other indications for treatment, induction therapy with aggressive regimens is recommended when patients do not have a TP53 mutation. The optimum approach for patients with TP53 mutation is not yet known; induction therapy followed by high-dose therapy with autologous stem cell transplant or less aggressive regimens could be an option for these patients.

Treatment options for relapsed/refractory MCL include radiotherapy; traditional chemotherapy regimens, with or without rituximab; and newer targeted therapies. These include Bruton tyrosine kinase inhibitors (ibrutinib, zanubrutinib, acalabrutinib, pirtobrutinib), lenalidomide, bortezomib, the mammalian target of rapamycin inhibitors temsirolimus and everolimus, the phosphatidylinositol 3–kinase inhibitors idelalisib and umbralisib, and the B-cell lymphoma 2 inhibitor venetoclax. These agents are frequently administered in combination with rituximab or another anti-CD20 antibody.

For comprehensive guidance on the treatment of MCL, consult the complete NCCN guidelines.

Timothy J. Voorhees, MD, MSCR, Assistant Professor of Internal Medicine - Clinical, Division of Hematology, The Ohio State University James Comprehensive Cancer Center, Columbus, OH.

Timothy J. Voorhees, MD, MSCR, has disclosed the following relevant financial relationships:
Received research grant from: AstraZeneca; Morphosys; Incyte; Recordati.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are consistent with a diagnosis of psoriatic spondylitis.

Psoriatic spondylitis is a form of psoriatic arthritis (PsA) that affects the spine and the joints in the pelvis (axial involvement). PsA is a chronic, heterogeneous condition that affects approximately 25%-30% of patients with psoriasis, particularly those with severe psoriasis or nail or scalp involvement. It is characterized by musculoskeletal inflammation (arthritis, enthesitis, spondylitis, and dactylitis). PsA is a spondyloarthritis that can be found either in the peripheral or axial skeleton. If not treated, it may result in permanent joint damage and loss of function. 

Patients with PsA may present with nail and skin changes, peripheral arthritis, enthesitis, dactylitis, and axial spondyloarthritis (SpA), either alone or in combination. Common symptoms of axial involvement in PsA include morning back/neck stiffness that lasts longer than 30 minutes, neck or back pain that improves with activity and worsens after prolonged inactivity, and diminished mobility. PsA affects men and women equally, and typically develops when patients are between 30 and 50 years of age. As with psoriasis, PsA is associated with numerous comorbidities, such as cardiovascular disease, metabolic syndrome, obesity, diabetes, depression, uveitis, and anxiety.

The diagnosis of psoriatic spondylitis is confirmed by physical examination and imaging. Axial PsA characteristics, including sacroiliitis and spondylitis, are distinguished by the development of syndesmophytes (ie, ossification of the annulus fibrosus). Useful imaging tools for evaluating patients with PsA include plain radiography, CT, ultrasound, and MRI. Although MRI and ultrasound may be more sensitive than plain radiography for detecting early joint inflammation and damage and axial changes, including sacroiliitis, they are not mandatory for a diagnosis of PsA to be made.

International guidelines have been developed by the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA), the European Alliance of Associations for Rheumatology (EULAR), and the Assessment of Spondyloarthritis International Society to guide the treatment of axial PsA. The goals of treatment include minimizing pain, stiffness, and fatigue; improving and preserving spinal flexibility and posture; improving functional capacity; and maintaining the ability to work, with a target of remission or minimal/low disease activity.

Treatment options for symptomatic relief include nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and sacroiliac joint injections with glucocorticoids for mild disease; long-term treatment with systemic glucocorticoids is not recommended. If patients remain symptomatic or have erosive disease or other indications of high disease activity, guidelines recommend initiation of a tumor necrosis factor (TNF) inhibitor (eg, adalimumab, etanercept, infliximab, golimumab, certolizumab pegol). Disease-modifying antirheumatic drugs (eg, methotrexate) are not routinely prescribed for patients with axial disease because they have not been shown to be effective. In patients with significant skin involvement, treatment with interleukin-17A inhibitors may be preferred to TNF inhibitors. 

If patients have an inadequate response to a first trial of a TNF inhibitor, guidelines recommend trying a second TNF inhibitor before switching to a different class of biologic. For patients who do not respond to TNF inhibitors, a Janus kinase inhibitor (tofacitinib) may be considered. Additionally, nonpharmacologic therapies (eg, exercise, physical therapy, massage therapy, occupational therapy, acupuncture) are recommended for all patients with active PsA.

Herbert S. Diamond, MD, Professor of Medicine (retired), Temple University School of Medicine, University of Pittsburgh; Chairman, Department of Medicine Emeritus, Western Pennsylvania Hospital, Pittsburgh, PA.

Herbert S. Diamond, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are consistent with a diagnosis of psoriatic spondylitis.

Psoriatic spondylitis is a form of psoriatic arthritis (PsA) that affects the spine and the joints in the pelvis (axial involvement). PsA is a chronic, heterogeneous condition that affects approximately 25%-30% of patients with psoriasis, particularly those with severe psoriasis or nail or scalp involvement. It is characterized by musculoskeletal inflammation (arthritis, enthesitis, spondylitis, and dactylitis). PsA is a spondyloarthritis that can be found either in the peripheral or axial skeleton. If not treated, it may result in permanent joint damage and loss of function. 

Patients with PsA may present with nail and skin changes, peripheral arthritis, enthesitis, dactylitis, and axial spondyloarthritis (SpA), either alone or in combination. Common symptoms of axial involvement in PsA include morning back/neck stiffness that lasts longer than 30 minutes, neck or back pain that improves with activity and worsens after prolonged inactivity, and diminished mobility. PsA affects men and women equally, and typically develops when patients are between 30 and 50 years of age. As with psoriasis, PsA is associated with numerous comorbidities, such as cardiovascular disease, metabolic syndrome, obesity, diabetes, depression, uveitis, and anxiety.

The diagnosis of psoriatic spondylitis is confirmed by physical examination and imaging. Axial PsA characteristics, including sacroiliitis and spondylitis, are distinguished by the development of syndesmophytes (ie, ossification of the annulus fibrosus). Useful imaging tools for evaluating patients with PsA include plain radiography, CT, ultrasound, and MRI. Although MRI and ultrasound may be more sensitive than plain radiography for detecting early joint inflammation and damage and axial changes, including sacroiliitis, they are not mandatory for a diagnosis of PsA to be made.

International guidelines have been developed by the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA), the European Alliance of Associations for Rheumatology (EULAR), and the Assessment of Spondyloarthritis International Society to guide the treatment of axial PsA. The goals of treatment include minimizing pain, stiffness, and fatigue; improving and preserving spinal flexibility and posture; improving functional capacity; and maintaining the ability to work, with a target of remission or minimal/low disease activity.

Treatment options for symptomatic relief include nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and sacroiliac joint injections with glucocorticoids for mild disease; long-term treatment with systemic glucocorticoids is not recommended. If patients remain symptomatic or have erosive disease or other indications of high disease activity, guidelines recommend initiation of a tumor necrosis factor (TNF) inhibitor (eg, adalimumab, etanercept, infliximab, golimumab, certolizumab pegol). Disease-modifying antirheumatic drugs (eg, methotrexate) are not routinely prescribed for patients with axial disease because they have not been shown to be effective. In patients with significant skin involvement, treatment with interleukin-17A inhibitors may be preferred to TNF inhibitors. 

If patients have an inadequate response to a first trial of a TNF inhibitor, guidelines recommend trying a second TNF inhibitor before switching to a different class of biologic. For patients who do not respond to TNF inhibitors, a Janus kinase inhibitor (tofacitinib) may be considered. Additionally, nonpharmacologic therapies (eg, exercise, physical therapy, massage therapy, occupational therapy, acupuncture) are recommended for all patients with active PsA.

Herbert S. Diamond, MD, Professor of Medicine (retired), Temple University School of Medicine, University of Pittsburgh; Chairman, Department of Medicine Emeritus, Western Pennsylvania Hospital, Pittsburgh, PA.

Herbert S. Diamond, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are consistent with a diagnosis of psoriatic spondylitis.

Psoriatic spondylitis is a form of psoriatic arthritis (PsA) that affects the spine and the joints in the pelvis (axial involvement). PsA is a chronic, heterogeneous condition that affects approximately 25%-30% of patients with psoriasis, particularly those with severe psoriasis or nail or scalp involvement. It is characterized by musculoskeletal inflammation (arthritis, enthesitis, spondylitis, and dactylitis). PsA is a spondyloarthritis that can be found either in the peripheral or axial skeleton. If not treated, it may result in permanent joint damage and loss of function. 

Patients with PsA may present with nail and skin changes, peripheral arthritis, enthesitis, dactylitis, and axial spondyloarthritis (SpA), either alone or in combination. Common symptoms of axial involvement in PsA include morning back/neck stiffness that lasts longer than 30 minutes, neck or back pain that improves with activity and worsens after prolonged inactivity, and diminished mobility. PsA affects men and women equally, and typically develops when patients are between 30 and 50 years of age. As with psoriasis, PsA is associated with numerous comorbidities, such as cardiovascular disease, metabolic syndrome, obesity, diabetes, depression, uveitis, and anxiety.

The diagnosis of psoriatic spondylitis is confirmed by physical examination and imaging. Axial PsA characteristics, including sacroiliitis and spondylitis, are distinguished by the development of syndesmophytes (ie, ossification of the annulus fibrosus). Useful imaging tools for evaluating patients with PsA include plain radiography, CT, ultrasound, and MRI. Although MRI and ultrasound may be more sensitive than plain radiography for detecting early joint inflammation and damage and axial changes, including sacroiliitis, they are not mandatory for a diagnosis of PsA to be made.

International guidelines have been developed by the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA), the European Alliance of Associations for Rheumatology (EULAR), and the Assessment of Spondyloarthritis International Society to guide the treatment of axial PsA. The goals of treatment include minimizing pain, stiffness, and fatigue; improving and preserving spinal flexibility and posture; improving functional capacity; and maintaining the ability to work, with a target of remission or minimal/low disease activity.

Treatment options for symptomatic relief include nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and sacroiliac joint injections with glucocorticoids for mild disease; long-term treatment with systemic glucocorticoids is not recommended. If patients remain symptomatic or have erosive disease or other indications of high disease activity, guidelines recommend initiation of a tumor necrosis factor (TNF) inhibitor (eg, adalimumab, etanercept, infliximab, golimumab, certolizumab pegol). Disease-modifying antirheumatic drugs (eg, methotrexate) are not routinely prescribed for patients with axial disease because they have not been shown to be effective. In patients with significant skin involvement, treatment with interleukin-17A inhibitors may be preferred to TNF inhibitors. 

If patients have an inadequate response to a first trial of a TNF inhibitor, guidelines recommend trying a second TNF inhibitor before switching to a different class of biologic. For patients who do not respond to TNF inhibitors, a Janus kinase inhibitor (tofacitinib) may be considered. Additionally, nonpharmacologic therapies (eg, exercise, physical therapy, massage therapy, occupational therapy, acupuncture) are recommended for all patients with active PsA.

Herbert S. Diamond, MD, Professor of Medicine (retired), Temple University School of Medicine, University of Pittsburgh; Chairman, Department of Medicine Emeritus, Western Pennsylvania Hospital, Pittsburgh, PA.

Herbert S. Diamond, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of inflammatory breast cancer.

Breast cancer is the leading life-threatening cancer diagnosed and the second-leading cause of cancer-related deaths in women worldwide. In the United States, estimates suggest that 287,850 new cases of invasive breast cancer were diagnosed in 2022 and 43,250 women died of the disease. Globally, approximately 2.3 million new diagnoses and 685,000 breast cancer–related deaths were reported in 2020.

Inflammatory breast cancer is a rare and highly aggressive subtype of locally advanced breast cancer. In the United States, inflammatory breast cancer accounts for approximately 2%-4% of breast cancer cases. Although its incidence is rare, 7% of breast cancer caused mortality is attributed to inflammatory breast cancer. Cases of inflammatory breast cancer tend to be diagnosed at a younger age compared with noninflammatory breast cancer cases. Risk factors include African-American race and obesity. 

The symptoms of inflammatory breast cancer can vary broadly, ranging from subtle skin erythema to diffuse breast involvement with skin dimpling and nipple inversion. Diagnostic criteria include erythema occupying at least one third of the breast, edema, peau d'orange, and/or warmth, with or without an underlying mass; rapid onset (< 3 months); and pathologic confirmation of invasive breast carcinoma. Histologic findings include florid tumor emboli that obstruct dermal lymphatics, which results in swelling and inflammation of the affected breast. 

Inflammatory breast cancer has been associated with a poor prognosis. However, treatment advances are helping to improve outcomes. Currently, 5-year survival rates are reported to be 40%-70%, with a median survival of 2-4 years. According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), the first-line treatment of inflammatory breast cancer involves neoadjuvant chemotherapy, modified radical mastectomy, and adjuvant radiation to the chest wall and regional nodes. Endocrine treatment should also be given to patients who are ER-positive and/or PR-positive (sequential chemotherapy followed by endocrine therapy). For patients who are HER2-positive, up to 1 year of HER2-targeted therapy should be given. HER2-targeted therapies can be administered concurrently with radiation and with endocrine therapy if indicated.

Delayed reconstruction after mastectomy remains the clinical standard for inflammatory breast cancer. This is because the need to resect involved skin negates the benefit of skin-sparing mastectomy for immediate reconstruction. Moreover, high rates of local and distant recurrence warrant comprehensive regional node irradiation in a timely fashion, which may be more challenging or subject to delay after immediate reconstruction. Rarely, the extent of skin excision at the time of mastectomy prohibits primary or local closure. In such cases, reconstruction of the chest wall defect with autologous tissue is required, and concomitant immediate reconstruction may be undertaken.

Detailed guidance on the treatment of inflammatory breast cancer, in the first line and beyond, are available from the NCCN.

Avan J. Armaghani, MD, Assistant Member, Department of Breast Oncology, Moffitt Cancer Center, University of South Florida, Tampa, FL.

Avan J. Armaghani, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of inflammatory breast cancer.

Breast cancer is the leading life-threatening cancer diagnosed and the second-leading cause of cancer-related deaths in women worldwide. In the United States, estimates suggest that 287,850 new cases of invasive breast cancer were diagnosed in 2022 and 43,250 women died of the disease. Globally, approximately 2.3 million new diagnoses and 685,000 breast cancer–related deaths were reported in 2020.

Inflammatory breast cancer is a rare and highly aggressive subtype of locally advanced breast cancer. In the United States, inflammatory breast cancer accounts for approximately 2%-4% of breast cancer cases. Although its incidence is rare, 7% of breast cancer caused mortality is attributed to inflammatory breast cancer. Cases of inflammatory breast cancer tend to be diagnosed at a younger age compared with noninflammatory breast cancer cases. Risk factors include African-American race and obesity. 

The symptoms of inflammatory breast cancer can vary broadly, ranging from subtle skin erythema to diffuse breast involvement with skin dimpling and nipple inversion. Diagnostic criteria include erythema occupying at least one third of the breast, edema, peau d'orange, and/or warmth, with or without an underlying mass; rapid onset (< 3 months); and pathologic confirmation of invasive breast carcinoma. Histologic findings include florid tumor emboli that obstruct dermal lymphatics, which results in swelling and inflammation of the affected breast. 

Inflammatory breast cancer has been associated with a poor prognosis. However, treatment advances are helping to improve outcomes. Currently, 5-year survival rates are reported to be 40%-70%, with a median survival of 2-4 years. According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), the first-line treatment of inflammatory breast cancer involves neoadjuvant chemotherapy, modified radical mastectomy, and adjuvant radiation to the chest wall and regional nodes. Endocrine treatment should also be given to patients who are ER-positive and/or PR-positive (sequential chemotherapy followed by endocrine therapy). For patients who are HER2-positive, up to 1 year of HER2-targeted therapy should be given. HER2-targeted therapies can be administered concurrently with radiation and with endocrine therapy if indicated.

Delayed reconstruction after mastectomy remains the clinical standard for inflammatory breast cancer. This is because the need to resect involved skin negates the benefit of skin-sparing mastectomy for immediate reconstruction. Moreover, high rates of local and distant recurrence warrant comprehensive regional node irradiation in a timely fashion, which may be more challenging or subject to delay after immediate reconstruction. Rarely, the extent of skin excision at the time of mastectomy prohibits primary or local closure. In such cases, reconstruction of the chest wall defect with autologous tissue is required, and concomitant immediate reconstruction may be undertaken.

Detailed guidance on the treatment of inflammatory breast cancer, in the first line and beyond, are available from the NCCN.

Avan J. Armaghani, MD, Assistant Member, Department of Breast Oncology, Moffitt Cancer Center, University of South Florida, Tampa, FL.

Avan J. Armaghani, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of inflammatory breast cancer.

Breast cancer is the leading life-threatening cancer diagnosed and the second-leading cause of cancer-related deaths in women worldwide. In the United States, estimates suggest that 287,850 new cases of invasive breast cancer were diagnosed in 2022 and 43,250 women died of the disease. Globally, approximately 2.3 million new diagnoses and 685,000 breast cancer–related deaths were reported in 2020.

Inflammatory breast cancer is a rare and highly aggressive subtype of locally advanced breast cancer. In the United States, inflammatory breast cancer accounts for approximately 2%-4% of breast cancer cases. Although its incidence is rare, 7% of breast cancer caused mortality is attributed to inflammatory breast cancer. Cases of inflammatory breast cancer tend to be diagnosed at a younger age compared with noninflammatory breast cancer cases. Risk factors include African-American race and obesity. 

The symptoms of inflammatory breast cancer can vary broadly, ranging from subtle skin erythema to diffuse breast involvement with skin dimpling and nipple inversion. Diagnostic criteria include erythema occupying at least one third of the breast, edema, peau d'orange, and/or warmth, with or without an underlying mass; rapid onset (< 3 months); and pathologic confirmation of invasive breast carcinoma. Histologic findings include florid tumor emboli that obstruct dermal lymphatics, which results in swelling and inflammation of the affected breast. 

Inflammatory breast cancer has been associated with a poor prognosis. However, treatment advances are helping to improve outcomes. Currently, 5-year survival rates are reported to be 40%-70%, with a median survival of 2-4 years. According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), the first-line treatment of inflammatory breast cancer involves neoadjuvant chemotherapy, modified radical mastectomy, and adjuvant radiation to the chest wall and regional nodes. Endocrine treatment should also be given to patients who are ER-positive and/or PR-positive (sequential chemotherapy followed by endocrine therapy). For patients who are HER2-positive, up to 1 year of HER2-targeted therapy should be given. HER2-targeted therapies can be administered concurrently with radiation and with endocrine therapy if indicated.

Delayed reconstruction after mastectomy remains the clinical standard for inflammatory breast cancer. This is because the need to resect involved skin negates the benefit of skin-sparing mastectomy for immediate reconstruction. Moreover, high rates of local and distant recurrence warrant comprehensive regional node irradiation in a timely fashion, which may be more challenging or subject to delay after immediate reconstruction. Rarely, the extent of skin excision at the time of mastectomy prohibits primary or local closure. In such cases, reconstruction of the chest wall defect with autologous tissue is required, and concomitant immediate reconstruction may be undertaken.

Detailed guidance on the treatment of inflammatory breast cancer, in the first line and beyond, are available from the NCCN.

Avan J. Armaghani, MD, Assistant Member, Department of Breast Oncology, Moffitt Cancer Center, University of South Florida, Tampa, FL.

Avan J. Armaghani, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of chronic kidney disease (CKD).

CKD affects between 8% and 16% of the population worldwide. Risk factors for CKD are numerous and include T2D, hypertension, and prediabetes. Diabetes is the leading cause of CKD. Up to 40% of patients with diabetes develop diabetic kidney disease, which can progress to end-stage renal disease (ESRD) requiring dialysis or kidney transplantation. In fact, diabetic kidney disease is the top cause of ESRD in the United States.

Diagnostic criteria for CKD include elevated urinary albumin excretion (albuminuria) and/or eGFR < 60 mL/1.73 m² that persists for more than 3 months. The normal presentation of diabetic kidney disease includes long-standing diabetes, retinopathy, albuminuria without gross hematuria, and gradually progressive decline of eGFR. However, signs of diabetic kidney disease may be present in patients at diagnosis or without retinopathy in T2D. Reduced eGFR without albuminuria has been frequently reported in both type 1 diabetes (T1D) and T2D and is becoming increasingly common as the prevalence of diabetes rises in the United States.

Chronic kidney disease is usually identified through routine screening with serum chemistry profile and urine studies or as an incidental finding. Less often, patients may present with symptoms, such as gross hematuria, "foamy urine" (a sign of albuminuria), nocturia, flank pain, or decreased urine output. In advanced cases, patients may report fatigue, poor appetite, nausea, vomiting, a metallic taste, unintentional weight loss, pruritus, changes in mental status, dyspnea, and/or peripheral edema.

The American Diabetes Association (ADA) 2023 Standards of Care in Diabetes describes five stages of CKD. Stages 1-2 are defined by evidence of high albuminuria with eGFR ≥ 60 mL/min/1.73 m², while stages 3-5 are defined by progressively lower ranges of eGFR. Of note, at any eGFR, the degree of albuminuria is associated with risk for cardiovascular disease, CKD progression, and mortality. Thus, as noted by the ADA Standards, both eGFR and albuminuria should be used to guide treatment decisions; additionally, eGFR levels are essential for modifying drug dosages or restrictions of use, and the degree of albuminuria should influence selection of antihypertensive agents and glucose-lowering medications.

According to the ADA 2023 Standards of Care in Diabetes, for people with non–dialysis-dependent CKD, dietary protein intake should be ∼0.8 g/kg body weight per day (the recommended daily allowance), as this level has been shown to slow GFR decline compared with higher levels of dietary protein intake, with evidence of a greater effect over time. Conversely, higher levels of dietary protein intake (> 20% of daily calories from protein or > 1.3 g/kg/d) have been associated with increased albuminuria, more rapid kidney function loss, and cardiovascular disease mortality. For patients on dialysis, higher levels of dietary protein intake should be considered, because malnutrition is a significant problem in some of these patients.

Urinary excretion of sodium and potassium may be impaired in patients with reduced eGFR. Thus, restriction of dietary sodium to < 2300 mg/d may help to control blood pressure and reduce cardiovascular risk, and restriction of dietary potassium may be necessary to control serum potassium concentration. 

Intensive glycemic control with the goal of achieving near-normoglycemia has been shown to delay the onset and progression of albuminuria and reduced eGFR in patients with diabetes. Insulin alone was used to lower blood glucose in the Diabetes Control and Complications Trial (DCCT)/Epidemiology of Diabetes Interventions and Complications (EDIC) study of T1D while a variety of agents were used in clinical trials of T2D, supporting the conclusion that glycemic control itself helps prevent CKD and its progression. However, the presence of CKD affects the risks and benefits of intensive glycemic control and several glucose-lowering medications. In the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial of T2D, increased adverse effects of intensive glycemic control (hypoglycemia and mortality) were seen among patients with kidney disease at baseline. Moreover, it may take at least 2 years to see improved eGFR outcomes as an effect of intensive glycemic control. Therefore, in some patients with prevalent CKD and substantial comorbidity, target A1c levels may be less intensive.

According to guidance from the US Food and Drug Administration, eGFR should be monitored while taking metformin and metformin is contraindicated in patients with an eGFR < 30 mL/min/1.73 m². Clinicians should assess the benefits and risks of continuing treatment when eGFR falls to < 45 mL/min/1.73 m². 

The ADA recommends that sodium–glucose cotransporter 2 inhibitors be given to all patients with stage 3 CKD or higher and T2D, regardless of glycemic control, as they have been shown to delay CKD progression and reduce heart failure risk independent of glycemic control. Glucagon-like peptide 1 receptor agonists (GLP-1 RAs) also have direct effects on the kidney and have been reported to improve renal outcomes compared with placebo. In patients for whom cardiovascular risk is a predominant problem, the ADA suggests using GLP-1 RAs for cardiovascular risk reduction.

Comprehensive guidance on the management of CKD in patients with T2D is available in the ADA 2023 Standards of Care in Diabetes.

Romesh K. Khardori, MD, PhD, Professor, Department of Internal Medicine, Division of Diabetes, Endocrine, and Metabolic Disorders, Eastern Virginia Medical School; EVMS Medical Group, Norfolk, Virginia

Romesh K. Khardori, MD, PhD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of chronic kidney disease (CKD).

CKD affects between 8% and 16% of the population worldwide. Risk factors for CKD are numerous and include T2D, hypertension, and prediabetes. Diabetes is the leading cause of CKD. Up to 40% of patients with diabetes develop diabetic kidney disease, which can progress to end-stage renal disease (ESRD) requiring dialysis or kidney transplantation. In fact, diabetic kidney disease is the top cause of ESRD in the United States.

Diagnostic criteria for CKD include elevated urinary albumin excretion (albuminuria) and/or eGFR < 60 mL/1.73 m² that persists for more than 3 months. The normal presentation of diabetic kidney disease includes long-standing diabetes, retinopathy, albuminuria without gross hematuria, and gradually progressive decline of eGFR. However, signs of diabetic kidney disease may be present in patients at diagnosis or without retinopathy in T2D. Reduced eGFR without albuminuria has been frequently reported in both type 1 diabetes (T1D) and T2D and is becoming increasingly common as the prevalence of diabetes rises in the United States.

Chronic kidney disease is usually identified through routine screening with serum chemistry profile and urine studies or as an incidental finding. Less often, patients may present with symptoms, such as gross hematuria, "foamy urine" (a sign of albuminuria), nocturia, flank pain, or decreased urine output. In advanced cases, patients may report fatigue, poor appetite, nausea, vomiting, a metallic taste, unintentional weight loss, pruritus, changes in mental status, dyspnea, and/or peripheral edema.

The American Diabetes Association (ADA) 2023 Standards of Care in Diabetes describes five stages of CKD. Stages 1-2 are defined by evidence of high albuminuria with eGFR ≥ 60 mL/min/1.73 m², while stages 3-5 are defined by progressively lower ranges of eGFR. Of note, at any eGFR, the degree of albuminuria is associated with risk for cardiovascular disease, CKD progression, and mortality. Thus, as noted by the ADA Standards, both eGFR and albuminuria should be used to guide treatment decisions; additionally, eGFR levels are essential for modifying drug dosages or restrictions of use, and the degree of albuminuria should influence selection of antihypertensive agents and glucose-lowering medications.

According to the ADA 2023 Standards of Care in Diabetes, for people with non–dialysis-dependent CKD, dietary protein intake should be ∼0.8 g/kg body weight per day (the recommended daily allowance), as this level has been shown to slow GFR decline compared with higher levels of dietary protein intake, with evidence of a greater effect over time. Conversely, higher levels of dietary protein intake (> 20% of daily calories from protein or > 1.3 g/kg/d) have been associated with increased albuminuria, more rapid kidney function loss, and cardiovascular disease mortality. For patients on dialysis, higher levels of dietary protein intake should be considered, because malnutrition is a significant problem in some of these patients.

Urinary excretion of sodium and potassium may be impaired in patients with reduced eGFR. Thus, restriction of dietary sodium to < 2300 mg/d may help to control blood pressure and reduce cardiovascular risk, and restriction of dietary potassium may be necessary to control serum potassium concentration. 

Intensive glycemic control with the goal of achieving near-normoglycemia has been shown to delay the onset and progression of albuminuria and reduced eGFR in patients with diabetes. Insulin alone was used to lower blood glucose in the Diabetes Control and Complications Trial (DCCT)/Epidemiology of Diabetes Interventions and Complications (EDIC) study of T1D while a variety of agents were used in clinical trials of T2D, supporting the conclusion that glycemic control itself helps prevent CKD and its progression. However, the presence of CKD affects the risks and benefits of intensive glycemic control and several glucose-lowering medications. In the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial of T2D, increased adverse effects of intensive glycemic control (hypoglycemia and mortality) were seen among patients with kidney disease at baseline. Moreover, it may take at least 2 years to see improved eGFR outcomes as an effect of intensive glycemic control. Therefore, in some patients with prevalent CKD and substantial comorbidity, target A1c levels may be less intensive.

According to guidance from the US Food and Drug Administration, eGFR should be monitored while taking metformin and metformin is contraindicated in patients with an eGFR < 30 mL/min/1.73 m². Clinicians should assess the benefits and risks of continuing treatment when eGFR falls to < 45 mL/min/1.73 m². 

The ADA recommends that sodium–glucose cotransporter 2 inhibitors be given to all patients with stage 3 CKD or higher and T2D, regardless of glycemic control, as they have been shown to delay CKD progression and reduce heart failure risk independent of glycemic control. Glucagon-like peptide 1 receptor agonists (GLP-1 RAs) also have direct effects on the kidney and have been reported to improve renal outcomes compared with placebo. In patients for whom cardiovascular risk is a predominant problem, the ADA suggests using GLP-1 RAs for cardiovascular risk reduction.

Comprehensive guidance on the management of CKD in patients with T2D is available in the ADA 2023 Standards of Care in Diabetes.

Romesh K. Khardori, MD, PhD, Professor, Department of Internal Medicine, Division of Diabetes, Endocrine, and Metabolic Disorders, Eastern Virginia Medical School; EVMS Medical Group, Norfolk, Virginia

Romesh K. Khardori, MD, PhD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of chronic kidney disease (CKD).

CKD affects between 8% and 16% of the population worldwide. Risk factors for CKD are numerous and include T2D, hypertension, and prediabetes. Diabetes is the leading cause of CKD. Up to 40% of patients with diabetes develop diabetic kidney disease, which can progress to end-stage renal disease (ESRD) requiring dialysis or kidney transplantation. In fact, diabetic kidney disease is the top cause of ESRD in the United States.

Diagnostic criteria for CKD include elevated urinary albumin excretion (albuminuria) and/or eGFR < 60 mL/1.73 m² that persists for more than 3 months. The normal presentation of diabetic kidney disease includes long-standing diabetes, retinopathy, albuminuria without gross hematuria, and gradually progressive decline of eGFR. However, signs of diabetic kidney disease may be present in patients at diagnosis or without retinopathy in T2D. Reduced eGFR without albuminuria has been frequently reported in both type 1 diabetes (T1D) and T2D and is becoming increasingly common as the prevalence of diabetes rises in the United States.

Chronic kidney disease is usually identified through routine screening with serum chemistry profile and urine studies or as an incidental finding. Less often, patients may present with symptoms, such as gross hematuria, "foamy urine" (a sign of albuminuria), nocturia, flank pain, or decreased urine output. In advanced cases, patients may report fatigue, poor appetite, nausea, vomiting, a metallic taste, unintentional weight loss, pruritus, changes in mental status, dyspnea, and/or peripheral edema.

The American Diabetes Association (ADA) 2023 Standards of Care in Diabetes describes five stages of CKD. Stages 1-2 are defined by evidence of high albuminuria with eGFR ≥ 60 mL/min/1.73 m², while stages 3-5 are defined by progressively lower ranges of eGFR. Of note, at any eGFR, the degree of albuminuria is associated with risk for cardiovascular disease, CKD progression, and mortality. Thus, as noted by the ADA Standards, both eGFR and albuminuria should be used to guide treatment decisions; additionally, eGFR levels are essential for modifying drug dosages or restrictions of use, and the degree of albuminuria should influence selection of antihypertensive agents and glucose-lowering medications.

According to the ADA 2023 Standards of Care in Diabetes, for people with non–dialysis-dependent CKD, dietary protein intake should be ∼0.8 g/kg body weight per day (the recommended daily allowance), as this level has been shown to slow GFR decline compared with higher levels of dietary protein intake, with evidence of a greater effect over time. Conversely, higher levels of dietary protein intake (> 20% of daily calories from protein or > 1.3 g/kg/d) have been associated with increased albuminuria, more rapid kidney function loss, and cardiovascular disease mortality. For patients on dialysis, higher levels of dietary protein intake should be considered, because malnutrition is a significant problem in some of these patients.

Urinary excretion of sodium and potassium may be impaired in patients with reduced eGFR. Thus, restriction of dietary sodium to < 2300 mg/d may help to control blood pressure and reduce cardiovascular risk, and restriction of dietary potassium may be necessary to control serum potassium concentration. 

Intensive glycemic control with the goal of achieving near-normoglycemia has been shown to delay the onset and progression of albuminuria and reduced eGFR in patients with diabetes. Insulin alone was used to lower blood glucose in the Diabetes Control and Complications Trial (DCCT)/Epidemiology of Diabetes Interventions and Complications (EDIC) study of T1D while a variety of agents were used in clinical trials of T2D, supporting the conclusion that glycemic control itself helps prevent CKD and its progression. However, the presence of CKD affects the risks and benefits of intensive glycemic control and several glucose-lowering medications. In the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial of T2D, increased adverse effects of intensive glycemic control (hypoglycemia and mortality) were seen among patients with kidney disease at baseline. Moreover, it may take at least 2 years to see improved eGFR outcomes as an effect of intensive glycemic control. Therefore, in some patients with prevalent CKD and substantial comorbidity, target A1c levels may be less intensive.

According to guidance from the US Food and Drug Administration, eGFR should be monitored while taking metformin and metformin is contraindicated in patients with an eGFR < 30 mL/min/1.73 m². Clinicians should assess the benefits and risks of continuing treatment when eGFR falls to < 45 mL/min/1.73 m². 

The ADA recommends that sodium–glucose cotransporter 2 inhibitors be given to all patients with stage 3 CKD or higher and T2D, regardless of glycemic control, as they have been shown to delay CKD progression and reduce heart failure risk independent of glycemic control. Glucagon-like peptide 1 receptor agonists (GLP-1 RAs) also have direct effects on the kidney and have been reported to improve renal outcomes compared with placebo. In patients for whom cardiovascular risk is a predominant problem, the ADA suggests using GLP-1 RAs for cardiovascular risk reduction.

Comprehensive guidance on the management of CKD in patients with T2D is available in the ADA 2023 Standards of Care in Diabetes.

Romesh K. Khardori, MD, PhD, Professor, Department of Internal Medicine, Division of Diabetes, Endocrine, and Metabolic Disorders, Eastern Virginia Medical School; EVMS Medical Group, Norfolk, Virginia

Romesh K. Khardori, MD, PhD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of Alzheimer's disease (AD). 

AD is the most common type of dementia. It is characterized by cognitive and behavioral impairment that significantly impairs a patient's social and occupational functioning. The predominant AD pathogenesis hypothesis suggests that AD is largely caused by the accumulation of insoluble amyloid beta deposits and neurofibrillary tangles induced by highly phosphorylated tau proteins in the neocortex, hippocampus, and amygdala, as well as significant loss of neurons and synapses, which leads to brain atrophy. Estimates suggest that approximately 6.2 million people ≥ 65 years of age have AD and that by 2060, the number of Americans with AD may increase to 13.8 million, the result of an aging population and the lack of effective prevention and treatment strategies. AD is a chronic disease that confers tremendous emotional and economic burdens to individuals, families, and society. 

Insidiously progressive memory loss is commonly seen in patients presenting with AD. As the disease progresses over the course of several years, other areas of cognition are impaired. Patients may develop language disorders (eg, anomic aphasia or anomia) and impairment in visuospatial skills and executive functions. Slowly progressive behavioral changes are also observed in many individuals with AD.

Criteria for the clinical diagnosis of AD (eg, insidious onset of cognitive impairment, clear history of worsening symptoms) have been developed and are frequently employed. Among individuals who meet the core clinical criteria for probable AD dementia, biomarker evidence may help to increase the certainty that AD is the basis of the clinical dementia syndrome. Several cerebrospinal fluid and blood biomarkers have shown excellent diagnostic ability by identifying tau pathology and cerebral amyloid beta for AD. Neuroimaging is becoming increasingly important for identifying the underlying causes of cognitive impairment. Currently, MRI is considered the preferred neuroimaging modality for AD as it enables accurate measurement of the three-dimensional volume of brain structures, particularly the size of the hippocampus and related regions. CT may be used when MRI is not possible, such as in a patient with a pacemaker. 

PET is increasingly being used as a noninvasive method for depicting tau pathology deposition and distribution in patients with cognitive impairment. In 2020, the US Food and Drug Administration approved the first tau PET tracer, ¹⁸F-flortaucipir, a significant achievement in improving AD diagnosis. 

Currently, the only therapies available for AD are symptomatic therapies. Cholinesterase inhibitors and a partial N-methyl-d-aspartate antagonist are the standard medical treatment for AD. Recently approved antiamyloid therapies are also available for patients with mild cognitive impairment or mild dementia. These include aducanumab, a first-in-class amyloid beta–directed antibody that was approved in 2021; and lecanemab, another amyloid beta–directed antibody that was approved in 2023. Both aducanumab and lecanemab are recommended for the treatment of patients with mild cognitive impairment or mild dementia stage of disease, the population in which the safety and efficacy of these newer agents were demonstrated in clinical trials. 

Psychotropic agents are often used to treat the secondary symptoms of AD, such as depression, agitation, aggression, hallucinations, delusions, and/or sleep disorders, which can be problematic. Behavioral interventions, including patient-centered approaches and caregiver training, may also be beneficial for managing the cognitive and behavioral manifestations of AD. These modalities are often used in combination with pharmacologic interventions, such as anxiolytics for anxiety and agitation, neuroleptics for delusions or hallucinations, and antidepressants or mood stabilizers for mood disorders and specific manifestations (eg, episodes of anger or rage). Regular physical activity and exercise is also emerging as a potential strategy for delaying AD progression and possibly conferring a protective effect on brain health.

Behavioral interventions, including patient-centered approaches and caregiver training, may also be beneficial for managing the cognitive and behavioral manifestations of AD. These modalities are often used in combination with pharmacologic interventions, such as anxiolytics for anxiety and agitation, neuroleptics for delusions or hallucinations, and antidepressants or mood stabilizers for mood disorders and specific manifestations (eg, episodes of anger or rage). Regular physical activity and exercise is also emerging as a potential strategy for delaying AD progression and possibly conferring a protective effect on brain health.

Jasvinder Chawla, MD, Professor of Neurology, Loyola University Medical Center, Maywood; Director, Clinical Neurophysiology Lab, Department of Neurology, Hines VA Hospital, Hines, IL.

Jasvinder Chawla, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of Alzheimer's disease (AD). 

AD is the most common type of dementia. It is characterized by cognitive and behavioral impairment that significantly impairs a patient's social and occupational functioning. The predominant AD pathogenesis hypothesis suggests that AD is largely caused by the accumulation of insoluble amyloid beta deposits and neurofibrillary tangles induced by highly phosphorylated tau proteins in the neocortex, hippocampus, and amygdala, as well as significant loss of neurons and synapses, which leads to brain atrophy. Estimates suggest that approximately 6.2 million people ≥ 65 years of age have AD and that by 2060, the number of Americans with AD may increase to 13.8 million, the result of an aging population and the lack of effective prevention and treatment strategies. AD is a chronic disease that confers tremendous emotional and economic burdens to individuals, families, and society. 

Insidiously progressive memory loss is commonly seen in patients presenting with AD. As the disease progresses over the course of several years, other areas of cognition are impaired. Patients may develop language disorders (eg, anomic aphasia or anomia) and impairment in visuospatial skills and executive functions. Slowly progressive behavioral changes are also observed in many individuals with AD.

Criteria for the clinical diagnosis of AD (eg, insidious onset of cognitive impairment, clear history of worsening symptoms) have been developed and are frequently employed. Among individuals who meet the core clinical criteria for probable AD dementia, biomarker evidence may help to increase the certainty that AD is the basis of the clinical dementia syndrome. Several cerebrospinal fluid and blood biomarkers have shown excellent diagnostic ability by identifying tau pathology and cerebral amyloid beta for AD. Neuroimaging is becoming increasingly important for identifying the underlying causes of cognitive impairment. Currently, MRI is considered the preferred neuroimaging modality for AD as it enables accurate measurement of the three-dimensional volume of brain structures, particularly the size of the hippocampus and related regions. CT may be used when MRI is not possible, such as in a patient with a pacemaker. 

PET is increasingly being used as a noninvasive method for depicting tau pathology deposition and distribution in patients with cognitive impairment. In 2020, the US Food and Drug Administration approved the first tau PET tracer, ¹⁸F-flortaucipir, a significant achievement in improving AD diagnosis. 

Currently, the only therapies available for AD are symptomatic therapies. Cholinesterase inhibitors and a partial N-methyl-d-aspartate antagonist are the standard medical treatment for AD. Recently approved antiamyloid therapies are also available for patients with mild cognitive impairment or mild dementia. These include aducanumab, a first-in-class amyloid beta–directed antibody that was approved in 2021; and lecanemab, another amyloid beta–directed antibody that was approved in 2023. Both aducanumab and lecanemab are recommended for the treatment of patients with mild cognitive impairment or mild dementia stage of disease, the population in which the safety and efficacy of these newer agents were demonstrated in clinical trials. 

Psychotropic agents are often used to treat the secondary symptoms of AD, such as depression, agitation, aggression, hallucinations, delusions, and/or sleep disorders, which can be problematic. Behavioral interventions, including patient-centered approaches and caregiver training, may also be beneficial for managing the cognitive and behavioral manifestations of AD. These modalities are often used in combination with pharmacologic interventions, such as anxiolytics for anxiety and agitation, neuroleptics for delusions or hallucinations, and antidepressants or mood stabilizers for mood disorders and specific manifestations (eg, episodes of anger or rage). Regular physical activity and exercise is also emerging as a potential strategy for delaying AD progression and possibly conferring a protective effect on brain health.

Behavioral interventions, including patient-centered approaches and caregiver training, may also be beneficial for managing the cognitive and behavioral manifestations of AD. These modalities are often used in combination with pharmacologic interventions, such as anxiolytics for anxiety and agitation, neuroleptics for delusions or hallucinations, and antidepressants or mood stabilizers for mood disorders and specific manifestations (eg, episodes of anger or rage). Regular physical activity and exercise is also emerging as a potential strategy for delaying AD progression and possibly conferring a protective effect on brain health.

Jasvinder Chawla, MD, Professor of Neurology, Loyola University Medical Center, Maywood; Director, Clinical Neurophysiology Lab, Department of Neurology, Hines VA Hospital, Hines, IL.

Jasvinder Chawla, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of Alzheimer's disease (AD). 

AD is the most common type of dementia. It is characterized by cognitive and behavioral impairment that significantly impairs a patient's social and occupational functioning. The predominant AD pathogenesis hypothesis suggests that AD is largely caused by the accumulation of insoluble amyloid beta deposits and neurofibrillary tangles induced by highly phosphorylated tau proteins in the neocortex, hippocampus, and amygdala, as well as significant loss of neurons and synapses, which leads to brain atrophy. Estimates suggest that approximately 6.2 million people ≥ 65 years of age have AD and that by 2060, the number of Americans with AD may increase to 13.8 million, the result of an aging population and the lack of effective prevention and treatment strategies. AD is a chronic disease that confers tremendous emotional and economic burdens to individuals, families, and society. 

Insidiously progressive memory loss is commonly seen in patients presenting with AD. As the disease progresses over the course of several years, other areas of cognition are impaired. Patients may develop language disorders (eg, anomic aphasia or anomia) and impairment in visuospatial skills and executive functions. Slowly progressive behavioral changes are also observed in many individuals with AD.

Criteria for the clinical diagnosis of AD (eg, insidious onset of cognitive impairment, clear history of worsening symptoms) have been developed and are frequently employed. Among individuals who meet the core clinical criteria for probable AD dementia, biomarker evidence may help to increase the certainty that AD is the basis of the clinical dementia syndrome. Several cerebrospinal fluid and blood biomarkers have shown excellent diagnostic ability by identifying tau pathology and cerebral amyloid beta for AD. Neuroimaging is becoming increasingly important for identifying the underlying causes of cognitive impairment. Currently, MRI is considered the preferred neuroimaging modality for AD as it enables accurate measurement of the three-dimensional volume of brain structures, particularly the size of the hippocampus and related regions. CT may be used when MRI is not possible, such as in a patient with a pacemaker. 

PET is increasingly being used as a noninvasive method for depicting tau pathology deposition and distribution in patients with cognitive impairment. In 2020, the US Food and Drug Administration approved the first tau PET tracer, ¹⁸F-flortaucipir, a significant achievement in improving AD diagnosis. 

Currently, the only therapies available for AD are symptomatic therapies. Cholinesterase inhibitors and a partial N-methyl-d-aspartate antagonist are the standard medical treatment for AD. Recently approved antiamyloid therapies are also available for patients with mild cognitive impairment or mild dementia. These include aducanumab, a first-in-class amyloid beta–directed antibody that was approved in 2021; and lecanemab, another amyloid beta–directed antibody that was approved in 2023. Both aducanumab and lecanemab are recommended for the treatment of patients with mild cognitive impairment or mild dementia stage of disease, the population in which the safety and efficacy of these newer agents were demonstrated in clinical trials. 

Psychotropic agents are often used to treat the secondary symptoms of AD, such as depression, agitation, aggression, hallucinations, delusions, and/or sleep disorders, which can be problematic. Behavioral interventions, including patient-centered approaches and caregiver training, may also be beneficial for managing the cognitive and behavioral manifestations of AD. These modalities are often used in combination with pharmacologic interventions, such as anxiolytics for anxiety and agitation, neuroleptics for delusions or hallucinations, and antidepressants or mood stabilizers for mood disorders and specific manifestations (eg, episodes of anger or rage). Regular physical activity and exercise is also emerging as a potential strategy for delaying AD progression and possibly conferring a protective effect on brain health.

Behavioral interventions, including patient-centered approaches and caregiver training, may also be beneficial for managing the cognitive and behavioral manifestations of AD. These modalities are often used in combination with pharmacologic interventions, such as anxiolytics for anxiety and agitation, neuroleptics for delusions or hallucinations, and antidepressants or mood stabilizers for mood disorders and specific manifestations (eg, episodes of anger or rage). Regular physical activity and exercise is also emerging as a potential strategy for delaying AD progression and possibly conferring a protective effect on brain health.

Jasvinder Chawla, MD, Professor of Neurology, Loyola University Medical Center, Maywood; Director, Clinical Neurophysiology Lab, Department of Neurology, Hines VA Hospital, Hines, IL.

Jasvinder Chawla, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of axial psoriatic arthritis (PsA).

Psoriasis is a complex, chronic, inflammatory, immune-mediated disease that is associated with significant morbidity, reduced quality of life, and increased mortality. Approximately 7.4 million adults in the United States have psoriasis; worldwide, approximately 2%-3% of the population is affected. Patients with psoriasis frequently have comorbidities; PsA, an inflammatory, seronegative musculoskeletal disease, is among the most common. It is estimated that 25%-30% of patients with psoriasis develop PsA. 

PsA is a heterogeneous disease. Patients may present with nail and skin changes, peripheral arthritis, enthesitis, dactylitis, and axial spondyloarthritis (SpA), either alone or in combination. Men and women are equally affected by PsA, which typically develops when patients are age 30-50 years. Like psoriasis, PsA is associated with numerous comorbidities, including cardiovascular disease, metabolic syndrome, obesity, diabetes, depression, uveitis, and anxiety.

PsA is a potentially erosive disease. Structural damage and functional impairment occurs within 2 years of initial assessment in approximately 50% of patients; as the disease progresses, patients may experience irreversible joint damage and disability. Axial involvement occurs in 25%-70% of patients with PsA; exclusive axial involvement is uncommon, occurring in 5% of patients. Common symptoms of axial PsA include inflammatory back pain (eg, pain that improves with activity but worsens with rest, morning stiffness lasting longer than 30 minutes). Some patients with axial involvement may be asymptomatic. If untreated, cervical spinal mobility and lateral flexion significantly decline within 5 years in patients with axial PsA. In addition, sacroiliitis worsens over time; 37% and 52% of patients develop grade 2 or higher sacroiliitis within 5 and 10 years, respectively. This highlights the importance of early identification and treatment of patients with axial PsA.

The diagnosis of axial PsA is confirmed by physical examination and imaging. Axial PsA characteristics, including sacroiliitis and spondylitis, are distinguished by the development of syndesmophytes (ie, ossification of the annulus fibrosis). PsA can be differentiated from ankylosing spondylitis by the asymmetric and frequently unilateral presentation of sacroiliitis and syndesmophytes, which frequently presents as nonmarginal, bulky, asymmetric, and discontinuous skipping vertebral levels.

Plain radiography, CT, ultrasound, and MRI are all useful tools for evaluating patients with PsA. MRI and ultrasound may be more sensitive than plain radiography is for detecting early joint inflammation and damage as well as axial changes, including sacroiliitis; however, they are not required for a diagnosis of PsA.

The treatment of axial PsA is based on international guidelines developed by the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis and the Assessment of SpondyloArthritis International Society–European League Against Rheumatism. Treatment focuses on minimizing pain, stiffness, and fatigue; improving and preserving spinal flexibility and posture; enhancing functional capacity; and maintaining the ability to work, with a target of remission or minimal/low disease activity.

Medications for symptomatic relief include nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and sacroiliac joint injections with glucocorticoids for mild disease; however, long-term treatment with systemic glucocorticoids is not recommended. If patients remain symptomatic or if erosive disease or other indications of high disease activity is observed, guidelines recommend initiation of a TNF inhibitor. Disease-modifying antirheumatic drugs, such as methotrexate, are not routinely prescribed for patients with axial disease because they have not been shown to be effective.

If symptoms of axial PsA are not controlled by NSAIDs, tumor necrosis factor (TNF) inhibitors are recommended. However, interleukin 17A inhibitors may be used in preference to TNF inhibitors in patients with significant skin involvement. In the United States, adalimumab, certolizumab pegol, golimumab, and infliximab are recommended over etanercept for patients with axial SpA in the presence of concomitant inflammatory bowel disease (IBD) or recurrent uveitis (although there is no evidence for golimumab) because etanercept has contradictory results for uveitis and has not been shown to have efficacy in IBD.

If patients fail to respond to a first trial of a TNF inhibitor, trying a second TNF inhibitor before switching to a different class of biologic is recommended by US guidelines. A Janus kinase inhibitor (tofacitinib) may be considered for patients who do not respond to TNF inhibitors. 

Nonpharmacologic therapies (ie, exercise, physical therapy, massage therapy, occupational therapy, acupuncture) are recommended for all patients with active PsA.

Herbert S. Diamond, MD, Professor of Medicine (retired), Temple University School of Medicine, University of Pittsburgh; Chairman, Department of Medicine Emeritus, Western Pennsylvania Hospital, Pittsburgh, PA.

Herbert S. Diamond, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of axial psoriatic arthritis (PsA).

Psoriasis is a complex, chronic, inflammatory, immune-mediated disease that is associated with significant morbidity, reduced quality of life, and increased mortality. Approximately 7.4 million adults in the United States have psoriasis; worldwide, approximately 2%-3% of the population is affected. Patients with psoriasis frequently have comorbidities; PsA, an inflammatory, seronegative musculoskeletal disease, is among the most common. It is estimated that 25%-30% of patients with psoriasis develop PsA. 

PsA is a heterogeneous disease. Patients may present with nail and skin changes, peripheral arthritis, enthesitis, dactylitis, and axial spondyloarthritis (SpA), either alone or in combination. Men and women are equally affected by PsA, which typically develops when patients are age 30-50 years. Like psoriasis, PsA is associated with numerous comorbidities, including cardiovascular disease, metabolic syndrome, obesity, diabetes, depression, uveitis, and anxiety.

PsA is a potentially erosive disease. Structural damage and functional impairment occurs within 2 years of initial assessment in approximately 50% of patients; as the disease progresses, patients may experience irreversible joint damage and disability. Axial involvement occurs in 25%-70% of patients with PsA; exclusive axial involvement is uncommon, occurring in 5% of patients. Common symptoms of axial PsA include inflammatory back pain (eg, pain that improves with activity but worsens with rest, morning stiffness lasting longer than 30 minutes). Some patients with axial involvement may be asymptomatic. If untreated, cervical spinal mobility and lateral flexion significantly decline within 5 years in patients with axial PsA. In addition, sacroiliitis worsens over time; 37% and 52% of patients develop grade 2 or higher sacroiliitis within 5 and 10 years, respectively. This highlights the importance of early identification and treatment of patients with axial PsA.

The diagnosis of axial PsA is confirmed by physical examination and imaging. Axial PsA characteristics, including sacroiliitis and spondylitis, are distinguished by the development of syndesmophytes (ie, ossification of the annulus fibrosis). PsA can be differentiated from ankylosing spondylitis by the asymmetric and frequently unilateral presentation of sacroiliitis and syndesmophytes, which frequently presents as nonmarginal, bulky, asymmetric, and discontinuous skipping vertebral levels.

Plain radiography, CT, ultrasound, and MRI are all useful tools for evaluating patients with PsA. MRI and ultrasound may be more sensitive than plain radiography is for detecting early joint inflammation and damage as well as axial changes, including sacroiliitis; however, they are not required for a diagnosis of PsA.

The treatment of axial PsA is based on international guidelines developed by the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis and the Assessment of SpondyloArthritis International Society–European League Against Rheumatism. Treatment focuses on minimizing pain, stiffness, and fatigue; improving and preserving spinal flexibility and posture; enhancing functional capacity; and maintaining the ability to work, with a target of remission or minimal/low disease activity.

Medications for symptomatic relief include nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and sacroiliac joint injections with glucocorticoids for mild disease; however, long-term treatment with systemic glucocorticoids is not recommended. If patients remain symptomatic or if erosive disease or other indications of high disease activity is observed, guidelines recommend initiation of a TNF inhibitor. Disease-modifying antirheumatic drugs, such as methotrexate, are not routinely prescribed for patients with axial disease because they have not been shown to be effective.

If symptoms of axial PsA are not controlled by NSAIDs, tumor necrosis factor (TNF) inhibitors are recommended. However, interleukin 17A inhibitors may be used in preference to TNF inhibitors in patients with significant skin involvement. In the United States, adalimumab, certolizumab pegol, golimumab, and infliximab are recommended over etanercept for patients with axial SpA in the presence of concomitant inflammatory bowel disease (IBD) or recurrent uveitis (although there is no evidence for golimumab) because etanercept has contradictory results for uveitis and has not been shown to have efficacy in IBD.

If patients fail to respond to a first trial of a TNF inhibitor, trying a second TNF inhibitor before switching to a different class of biologic is recommended by US guidelines. A Janus kinase inhibitor (tofacitinib) may be considered for patients who do not respond to TNF inhibitors. 

Nonpharmacologic therapies (ie, exercise, physical therapy, massage therapy, occupational therapy, acupuncture) are recommended for all patients with active PsA.

Herbert S. Diamond, MD, Professor of Medicine (retired), Temple University School of Medicine, University of Pittsburgh; Chairman, Department of Medicine Emeritus, Western Pennsylvania Hospital, Pittsburgh, PA.

Herbert S. Diamond, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of axial psoriatic arthritis (PsA).

Psoriasis is a complex, chronic, inflammatory, immune-mediated disease that is associated with significant morbidity, reduced quality of life, and increased mortality. Approximately 7.4 million adults in the United States have psoriasis; worldwide, approximately 2%-3% of the population is affected. Patients with psoriasis frequently have comorbidities; PsA, an inflammatory, seronegative musculoskeletal disease, is among the most common. It is estimated that 25%-30% of patients with psoriasis develop PsA. 

PsA is a heterogeneous disease. Patients may present with nail and skin changes, peripheral arthritis, enthesitis, dactylitis, and axial spondyloarthritis (SpA), either alone or in combination. Men and women are equally affected by PsA, which typically develops when patients are age 30-50 years. Like psoriasis, PsA is associated with numerous comorbidities, including cardiovascular disease, metabolic syndrome, obesity, diabetes, depression, uveitis, and anxiety.

PsA is a potentially erosive disease. Structural damage and functional impairment occurs within 2 years of initial assessment in approximately 50% of patients; as the disease progresses, patients may experience irreversible joint damage and disability. Axial involvement occurs in 25%-70% of patients with PsA; exclusive axial involvement is uncommon, occurring in 5% of patients. Common symptoms of axial PsA include inflammatory back pain (eg, pain that improves with activity but worsens with rest, morning stiffness lasting longer than 30 minutes). Some patients with axial involvement may be asymptomatic. If untreated, cervical spinal mobility and lateral flexion significantly decline within 5 years in patients with axial PsA. In addition, sacroiliitis worsens over time; 37% and 52% of patients develop grade 2 or higher sacroiliitis within 5 and 10 years, respectively. This highlights the importance of early identification and treatment of patients with axial PsA.

The diagnosis of axial PsA is confirmed by physical examination and imaging. Axial PsA characteristics, including sacroiliitis and spondylitis, are distinguished by the development of syndesmophytes (ie, ossification of the annulus fibrosis). PsA can be differentiated from ankylosing spondylitis by the asymmetric and frequently unilateral presentation of sacroiliitis and syndesmophytes, which frequently presents as nonmarginal, bulky, asymmetric, and discontinuous skipping vertebral levels.

Plain radiography, CT, ultrasound, and MRI are all useful tools for evaluating patients with PsA. MRI and ultrasound may be more sensitive than plain radiography is for detecting early joint inflammation and damage as well as axial changes, including sacroiliitis; however, they are not required for a diagnosis of PsA.

The treatment of axial PsA is based on international guidelines developed by the American College of Rheumatology/Spondylitis Association of America/Spondyloarthritis Research and Treatment Network, the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis and the Assessment of SpondyloArthritis International Society–European League Against Rheumatism. Treatment focuses on minimizing pain, stiffness, and fatigue; improving and preserving spinal flexibility and posture; enhancing functional capacity; and maintaining the ability to work, with a target of remission or minimal/low disease activity.

Medications for symptomatic relief include nonsteroidal anti-inflammatory drugs (NSAIDs), glucocorticoids, and sacroiliac joint injections with glucocorticoids for mild disease; however, long-term treatment with systemic glucocorticoids is not recommended. If patients remain symptomatic or if erosive disease or other indications of high disease activity is observed, guidelines recommend initiation of a TNF inhibitor. Disease-modifying antirheumatic drugs, such as methotrexate, are not routinely prescribed for patients with axial disease because they have not been shown to be effective.

If symptoms of axial PsA are not controlled by NSAIDs, tumor necrosis factor (TNF) inhibitors are recommended. However, interleukin 17A inhibitors may be used in preference to TNF inhibitors in patients with significant skin involvement. In the United States, adalimumab, certolizumab pegol, golimumab, and infliximab are recommended over etanercept for patients with axial SpA in the presence of concomitant inflammatory bowel disease (IBD) or recurrent uveitis (although there is no evidence for golimumab) because etanercept has contradictory results for uveitis and has not been shown to have efficacy in IBD.

If patients fail to respond to a first trial of a TNF inhibitor, trying a second TNF inhibitor before switching to a different class of biologic is recommended by US guidelines. A Janus kinase inhibitor (tofacitinib) may be considered for patients who do not respond to TNF inhibitors. 

Nonpharmacologic therapies (ie, exercise, physical therapy, massage therapy, occupational therapy, acupuncture) are recommended for all patients with active PsA.

Herbert S. Diamond, MD, Professor of Medicine (retired), Temple University School of Medicine, University of Pittsburgh; Chairman, Department of Medicine Emeritus, Western Pennsylvania Hospital, Pittsburgh, PA.

Herbert S. Diamond, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

This patient's clinical presentation and laboratory findings are consistent with a diagnosis of Cushing syndrome (CS).

CS is a rare endocrine disease caused by prolonged exposure to high circulating cortisol levels. Exogenous hypercortisolism is the most common cause of CS. It is largely iatrogenic and results from the prolonged use of glucocorticoids. Less frequently, endogenous CS may occur as the result of excessive production of cortisol by adrenal glands. Endogenous CS can be ACTH-dependent or ACTH-independent. ACTH-dependent CS results from ACTH-secreting pituitary adenomas (Cushing disease) and ectopic ACTH secretion by neoplasms, whereas adrenal hyperplasia, adenoma, and carcinoma are the primary causes of ACTH-independent CS.

The annual incidence and prevalence of CS are unknown; the reported incidence of newly diagnosed cases has ranged from 1.2 to 2.4 per million people per year. Women are affected more often than are men, with a peak of incidence in the third to fourth decade of life. CS is associated with various metabolic, psychiatric, musculoskeletal, and cardiovascular comorbidities. Untreated, it is associated with increased mortality, typically as the result of cardiovascular and infectious complications; however, even in appropriately treated patients, mortality is elevated.

The chronic elevations of glucocorticoid concentrations in CS result in its characteristic phenotype, which includes weight gain, moon-shaped face, buffalo hump, muscle weakness, increased bruising, skin atrophy, red abdominal striae, menstrual irregularities, hirsutism, and acne. It is also associated with numerous comorbidities including diabetes, hypertension, hypercholesterolemia, and osteoporosis. Patients often experience mental health complications, such as depression, emotional lability, and cognitive dysfunction.

Given the rarity of CS and the fact that these symptoms overlap with other conditions, delayed diagnosis is common. The current obesity epidemic also poses diagnostic challenges because true CS can be difficult to differentiate from metabolic syndrome. The duration of hypercortisolism appears to be the most significant factor associated with the degree of morbidity and preterm mortality in CS; thus, an accurate diagnosis as early as possible is important.

Screening and diagnostic tests for CS evaluate cortisol secretion. Available options include late-night salivary cortisol (LNSC), impaired glucocorticoid feedback with overnight 1-mg DST or low-dose 2-day dexamethasone test (LDDT) and increased bioavailable cortisol with 24-hour UFC.

A 2021 consensus statement by Fleseriu and colleagues provides recommendations for the diagnosis of CS. If CS is suspected: begin with UFC, LNSC, or both; DST is an option if LNSC not feasible. If CS because of adrenal tumor is suspected: begin with DST because LNSC has lower specificity in these patients. To confirm CS, any of these tests can be used.

An individualized approach is recommended for the treatment of CS. The optimal approach for iatrogenic CS is to slowly taper exogenous steroids. Chronic exposure to steroids can suppress adrenal functioning; as such, recovery may take several months. Surgical resection is the first-line option for hypercortisolism because of Cushing disease, adrenal tumor, or ectopic tumor. Patients should be closely monitored after surgery to evaluate for possible recurrence. Radiotherapy may be recommended after failed transsphenoidal surgery or in Cushing disease with mass effect or invasion of surrounding structures. Medical therapy, such as pasireotide, cabergoline, and mifepristone, are also sometimes used. In addition, the treatment of comorbidities, such as obesity and type 2 diabetes, hypertension, osteoporosis, psychiatric issues, and electrolyte disorders, is critical.

Courtney Whittle, MD, MSW, Diplomate of ABOM, Pediatric Lead, Obesity Champion, TSPMG, Weight A Minute Clinic, Atlanta, Georgia.

Courtney Whittle, MD, MSW, Diplomate of ABOM, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

This patient's clinical presentation and laboratory findings are consistent with a diagnosis of Cushing syndrome (CS).

CS is a rare endocrine disease caused by prolonged exposure to high circulating cortisol levels. Exogenous hypercortisolism is the most common cause of CS. It is largely iatrogenic and results from the prolonged use of glucocorticoids. Less frequently, endogenous CS may occur as the result of excessive production of cortisol by adrenal glands. Endogenous CS can be ACTH-dependent or ACTH-independent. ACTH-dependent CS results from ACTH-secreting pituitary adenomas (Cushing disease) and ectopic ACTH secretion by neoplasms, whereas adrenal hyperplasia, adenoma, and carcinoma are the primary causes of ACTH-independent CS.

The annual incidence and prevalence of CS are unknown; the reported incidence of newly diagnosed cases has ranged from 1.2 to 2.4 per million people per year. Women are affected more often than are men, with a peak of incidence in the third to fourth decade of life. CS is associated with various metabolic, psychiatric, musculoskeletal, and cardiovascular comorbidities. Untreated, it is associated with increased mortality, typically as the result of cardiovascular and infectious complications; however, even in appropriately treated patients, mortality is elevated.

The chronic elevations of glucocorticoid concentrations in CS result in its characteristic phenotype, which includes weight gain, moon-shaped face, buffalo hump, muscle weakness, increased bruising, skin atrophy, red abdominal striae, menstrual irregularities, hirsutism, and acne. It is also associated with numerous comorbidities including diabetes, hypertension, hypercholesterolemia, and osteoporosis. Patients often experience mental health complications, such as depression, emotional lability, and cognitive dysfunction.

Given the rarity of CS and the fact that these symptoms overlap with other conditions, delayed diagnosis is common. The current obesity epidemic also poses diagnostic challenges because true CS can be difficult to differentiate from metabolic syndrome. The duration of hypercortisolism appears to be the most significant factor associated with the degree of morbidity and preterm mortality in CS; thus, an accurate diagnosis as early as possible is important.

Screening and diagnostic tests for CS evaluate cortisol secretion. Available options include late-night salivary cortisol (LNSC), impaired glucocorticoid feedback with overnight 1-mg DST or low-dose 2-day dexamethasone test (LDDT) and increased bioavailable cortisol with 24-hour UFC.

A 2021 consensus statement by Fleseriu and colleagues provides recommendations for the diagnosis of CS. If CS is suspected: begin with UFC, LNSC, or both; DST is an option if LNSC not feasible. If CS because of adrenal tumor is suspected: begin with DST because LNSC has lower specificity in these patients. To confirm CS, any of these tests can be used.

An individualized approach is recommended for the treatment of CS. The optimal approach for iatrogenic CS is to slowly taper exogenous steroids. Chronic exposure to steroids can suppress adrenal functioning; as such, recovery may take several months. Surgical resection is the first-line option for hypercortisolism because of Cushing disease, adrenal tumor, or ectopic tumor. Patients should be closely monitored after surgery to evaluate for possible recurrence. Radiotherapy may be recommended after failed transsphenoidal surgery or in Cushing disease with mass effect or invasion of surrounding structures. Medical therapy, such as pasireotide, cabergoline, and mifepristone, are also sometimes used. In addition, the treatment of comorbidities, such as obesity and type 2 diabetes, hypertension, osteoporosis, psychiatric issues, and electrolyte disorders, is critical.

Courtney Whittle, MD, MSW, Diplomate of ABOM, Pediatric Lead, Obesity Champion, TSPMG, Weight A Minute Clinic, Atlanta, Georgia.

Courtney Whittle, MD, MSW, Diplomate of ABOM, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

This patient's clinical presentation and laboratory findings are consistent with a diagnosis of Cushing syndrome (CS).

CS is a rare endocrine disease caused by prolonged exposure to high circulating cortisol levels. Exogenous hypercortisolism is the most common cause of CS. It is largely iatrogenic and results from the prolonged use of glucocorticoids. Less frequently, endogenous CS may occur as the result of excessive production of cortisol by adrenal glands. Endogenous CS can be ACTH-dependent or ACTH-independent. ACTH-dependent CS results from ACTH-secreting pituitary adenomas (Cushing disease) and ectopic ACTH secretion by neoplasms, whereas adrenal hyperplasia, adenoma, and carcinoma are the primary causes of ACTH-independent CS.

The annual incidence and prevalence of CS are unknown; the reported incidence of newly diagnosed cases has ranged from 1.2 to 2.4 per million people per year. Women are affected more often than are men, with a peak of incidence in the third to fourth decade of life. CS is associated with various metabolic, psychiatric, musculoskeletal, and cardiovascular comorbidities. Untreated, it is associated with increased mortality, typically as the result of cardiovascular and infectious complications; however, even in appropriately treated patients, mortality is elevated.

The chronic elevations of glucocorticoid concentrations in CS result in its characteristic phenotype, which includes weight gain, moon-shaped face, buffalo hump, muscle weakness, increased bruising, skin atrophy, red abdominal striae, menstrual irregularities, hirsutism, and acne. It is also associated with numerous comorbidities including diabetes, hypertension, hypercholesterolemia, and osteoporosis. Patients often experience mental health complications, such as depression, emotional lability, and cognitive dysfunction.

Given the rarity of CS and the fact that these symptoms overlap with other conditions, delayed diagnosis is common. The current obesity epidemic also poses diagnostic challenges because true CS can be difficult to differentiate from metabolic syndrome. The duration of hypercortisolism appears to be the most significant factor associated with the degree of morbidity and preterm mortality in CS; thus, an accurate diagnosis as early as possible is important.

Screening and diagnostic tests for CS evaluate cortisol secretion. Available options include late-night salivary cortisol (LNSC), impaired glucocorticoid feedback with overnight 1-mg DST or low-dose 2-day dexamethasone test (LDDT) and increased bioavailable cortisol with 24-hour UFC.

A 2021 consensus statement by Fleseriu and colleagues provides recommendations for the diagnosis of CS. If CS is suspected: begin with UFC, LNSC, or both; DST is an option if LNSC not feasible. If CS because of adrenal tumor is suspected: begin with DST because LNSC has lower specificity in these patients. To confirm CS, any of these tests can be used.

An individualized approach is recommended for the treatment of CS. The optimal approach for iatrogenic CS is to slowly taper exogenous steroids. Chronic exposure to steroids can suppress adrenal functioning; as such, recovery may take several months. Surgical resection is the first-line option for hypercortisolism because of Cushing disease, adrenal tumor, or ectopic tumor. Patients should be closely monitored after surgery to evaluate for possible recurrence. Radiotherapy may be recommended after failed transsphenoidal surgery or in Cushing disease with mass effect or invasion of surrounding structures. Medical therapy, such as pasireotide, cabergoline, and mifepristone, are also sometimes used. In addition, the treatment of comorbidities, such as obesity and type 2 diabetes, hypertension, osteoporosis, psychiatric issues, and electrolyte disorders, is critical.

Courtney Whittle, MD, MSW, Diplomate of ABOM, Pediatric Lead, Obesity Champion, TSPMG, Weight A Minute Clinic, Atlanta, Georgia.

Courtney Whittle, MD, MSW, Diplomate of ABOM, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

This patient's clinical presentation and laboratory findings are consistent with a diagnosis of pleomorphic mantle cell lymphoma (MCL).

MCL is a rare, clinically and biologically heterogeneous B-cell non-Hodgkin lymphoma. It accounts for approximately 5%-7% of all lymphomas. In North America and Europe, its incidence is akin to that of noncutaneous, peripheral T-cell lymphomas. The typical age at diagnosis is between 60 and 70 years. Approximately 70% of all cases are seen in men.

Little is known about risk factors for the development of MCL. Factors that have been associated with the development of other lymphomas (eg, familial risk, immunosuppression, other immune disorders, chemical and occupational exposures, and infectious agents) have not been convincingly identified as predisposing factors for MCL, with the possible exception of family history.

MCL is usually associated with reciprocal chromosomal translocation between chromosomes 11 and 14, t(11;14)(q13:q32), resulting in overexpression of cyclin D1, which plays a key role in tumor cell proliferation through cell-cycle dysregulation, chromosomal instability, and epigenetic regulation. Tumor cells (monoclonal B cells) express surface immunoglobulin, immunoglobulin M, or immunoglobulin D. Cells are usually CD5+ and pan B-cell antigen positive (eg, CD19, CD20, CD22) with no expression of CD10 and CD23. Histologic features include small-to-medium lymphocytes with scant cytoplasm, clumped chromatin, inconspicuous nucleoli, and prominent nuclear clefts. Cytologic subtypes include classic MCL, the blastoid variant (large cells, dispersed chromatin, and a high mitotic rate), and the pleomorphic variant (cells of varying size, although many are large, with pale cytoplasm, oval irregular nuclei, and prominent nucleoli). Blastoid and pleomorphic MCL typically have a more aggressive natural history and are associated with inferior clinical outcomes. 

According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), an accurate pathologic diagnosis of the subtype is the most important initial step in the management of B-cell lymphomas, including pleomorphic MCL. The basic pathologic exam is the same for all subtypes, although additional testing may be needed in certain cases. An incisional or excisional lymph node biopsy is recommended. Fine-needle aspiration biopsy alone is typically not sufficient for the initial diagnosis of lymphoma; however, its diagnostic accuracy is significantly improved when it is used in combination with immunohistochemistry and flow cytometry. Immunohistochemistry is essential to differentiate MCL subtypes.

Essential workup procedures include a complete physical exam, with particular attention to node-bearing areas, including the Waldeyer ring, as well as the size of the liver and spleen, and assessment of performance status and B symptoms (fever, night sweats, unintentional weight loss). Laboratory studies should include complete blood count with differential, measurement of serum lactate dehydrogenase, hepatitis B virus testing, and a comprehensive metabolic panel. Required imaging studies include PET/CT (or chest/abdominal/pelvic CT with oral and intravenous contrast if PET/CT is not available) and multigated acquisition scanning or echocardiography when anthracyclines and anthracenedione-containing regimens are indicated.

A watch-and-wait approach may be appropriate for some patients with indolent MCL; however, patients with aggressive MCL, such as pleomorphic histology, require chemoimmunotherapy at diagnosis. For patients who relapse or achieve an incomplete response to first-line therapy, the NCCN guidelines recommend second-line treatment with a Bruton tyrosine kinase (BTK) inhibitor–containing regimen. Available BTK inhibitors include acalabrutinib, ibrutinib ± rituximab, zanubrutinib, and pirtobrutinib. Chemoimmunotherapy with lenalidomide + rituximab is another second-line option and may be particularly helpful for patients in whom a BTK inhibitor is contraindicated. Anti-CD19 CAR T-cell therapy is a recommended option for the third line and beyond.

Timothy J. Voorhees, MD, MSCR, Assistant Professor of Internal Medicine - Clinical, Division of Hematology, The Ohio State University James Comprehensive Cancer Center, Columbus, OH.

Timothy J. Voorhees, MD, MSCR, has disclosed the following relevant financial relationships:
Received research grant from: AstraZeneca; Morphosys; Incyte; Recordati.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

This patient's clinical presentation and laboratory findings are consistent with a diagnosis of pleomorphic mantle cell lymphoma (MCL).

MCL is a rare, clinically and biologically heterogeneous B-cell non-Hodgkin lymphoma. It accounts for approximately 5%-7% of all lymphomas. In North America and Europe, its incidence is akin to that of noncutaneous, peripheral T-cell lymphomas. The typical age at diagnosis is between 60 and 70 years. Approximately 70% of all cases are seen in men.

Little is known about risk factors for the development of MCL. Factors that have been associated with the development of other lymphomas (eg, familial risk, immunosuppression, other immune disorders, chemical and occupational exposures, and infectious agents) have not been convincingly identified as predisposing factors for MCL, with the possible exception of family history.

MCL is usually associated with reciprocal chromosomal translocation between chromosomes 11 and 14, t(11;14)(q13:q32), resulting in overexpression of cyclin D1, which plays a key role in tumor cell proliferation through cell-cycle dysregulation, chromosomal instability, and epigenetic regulation. Tumor cells (monoclonal B cells) express surface immunoglobulin, immunoglobulin M, or immunoglobulin D. Cells are usually CD5+ and pan B-cell antigen positive (eg, CD19, CD20, CD22) with no expression of CD10 and CD23. Histologic features include small-to-medium lymphocytes with scant cytoplasm, clumped chromatin, inconspicuous nucleoli, and prominent nuclear clefts. Cytologic subtypes include classic MCL, the blastoid variant (large cells, dispersed chromatin, and a high mitotic rate), and the pleomorphic variant (cells of varying size, although many are large, with pale cytoplasm, oval irregular nuclei, and prominent nucleoli). Blastoid and pleomorphic MCL typically have a more aggressive natural history and are associated with inferior clinical outcomes. 

According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), an accurate pathologic diagnosis of the subtype is the most important initial step in the management of B-cell lymphomas, including pleomorphic MCL. The basic pathologic exam is the same for all subtypes, although additional testing may be needed in certain cases. An incisional or excisional lymph node biopsy is recommended. Fine-needle aspiration biopsy alone is typically not sufficient for the initial diagnosis of lymphoma; however, its diagnostic accuracy is significantly improved when it is used in combination with immunohistochemistry and flow cytometry. Immunohistochemistry is essential to differentiate MCL subtypes.

Essential workup procedures include a complete physical exam, with particular attention to node-bearing areas, including the Waldeyer ring, as well as the size of the liver and spleen, and assessment of performance status and B symptoms (fever, night sweats, unintentional weight loss). Laboratory studies should include complete blood count with differential, measurement of serum lactate dehydrogenase, hepatitis B virus testing, and a comprehensive metabolic panel. Required imaging studies include PET/CT (or chest/abdominal/pelvic CT with oral and intravenous contrast if PET/CT is not available) and multigated acquisition scanning or echocardiography when anthracyclines and anthracenedione-containing regimens are indicated.

A watch-and-wait approach may be appropriate for some patients with indolent MCL; however, patients with aggressive MCL, such as pleomorphic histology, require chemoimmunotherapy at diagnosis. For patients who relapse or achieve an incomplete response to first-line therapy, the NCCN guidelines recommend second-line treatment with a Bruton tyrosine kinase (BTK) inhibitor–containing regimen. Available BTK inhibitors include acalabrutinib, ibrutinib ± rituximab, zanubrutinib, and pirtobrutinib. Chemoimmunotherapy with lenalidomide + rituximab is another second-line option and may be particularly helpful for patients in whom a BTK inhibitor is contraindicated. Anti-CD19 CAR T-cell therapy is a recommended option for the third line and beyond.

Timothy J. Voorhees, MD, MSCR, Assistant Professor of Internal Medicine - Clinical, Division of Hematology, The Ohio State University James Comprehensive Cancer Center, Columbus, OH.

Timothy J. Voorhees, MD, MSCR, has disclosed the following relevant financial relationships:
Received research grant from: AstraZeneca; Morphosys; Incyte; Recordati.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

This patient's clinical presentation and laboratory findings are consistent with a diagnosis of pleomorphic mantle cell lymphoma (MCL).

MCL is a rare, clinically and biologically heterogeneous B-cell non-Hodgkin lymphoma. It accounts for approximately 5%-7% of all lymphomas. In North America and Europe, its incidence is akin to that of noncutaneous, peripheral T-cell lymphomas. The typical age at diagnosis is between 60 and 70 years. Approximately 70% of all cases are seen in men.

Little is known about risk factors for the development of MCL. Factors that have been associated with the development of other lymphomas (eg, familial risk, immunosuppression, other immune disorders, chemical and occupational exposures, and infectious agents) have not been convincingly identified as predisposing factors for MCL, with the possible exception of family history.

MCL is usually associated with reciprocal chromosomal translocation between chromosomes 11 and 14, t(11;14)(q13:q32), resulting in overexpression of cyclin D1, which plays a key role in tumor cell proliferation through cell-cycle dysregulation, chromosomal instability, and epigenetic regulation. Tumor cells (monoclonal B cells) express surface immunoglobulin, immunoglobulin M, or immunoglobulin D. Cells are usually CD5+ and pan B-cell antigen positive (eg, CD19, CD20, CD22) with no expression of CD10 and CD23. Histologic features include small-to-medium lymphocytes with scant cytoplasm, clumped chromatin, inconspicuous nucleoli, and prominent nuclear clefts. Cytologic subtypes include classic MCL, the blastoid variant (large cells, dispersed chromatin, and a high mitotic rate), and the pleomorphic variant (cells of varying size, although many are large, with pale cytoplasm, oval irregular nuclei, and prominent nucleoli). Blastoid and pleomorphic MCL typically have a more aggressive natural history and are associated with inferior clinical outcomes. 

According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), an accurate pathologic diagnosis of the subtype is the most important initial step in the management of B-cell lymphomas, including pleomorphic MCL. The basic pathologic exam is the same for all subtypes, although additional testing may be needed in certain cases. An incisional or excisional lymph node biopsy is recommended. Fine-needle aspiration biopsy alone is typically not sufficient for the initial diagnosis of lymphoma; however, its diagnostic accuracy is significantly improved when it is used in combination with immunohistochemistry and flow cytometry. Immunohistochemistry is essential to differentiate MCL subtypes.

Essential workup procedures include a complete physical exam, with particular attention to node-bearing areas, including the Waldeyer ring, as well as the size of the liver and spleen, and assessment of performance status and B symptoms (fever, night sweats, unintentional weight loss). Laboratory studies should include complete blood count with differential, measurement of serum lactate dehydrogenase, hepatitis B virus testing, and a comprehensive metabolic panel. Required imaging studies include PET/CT (or chest/abdominal/pelvic CT with oral and intravenous contrast if PET/CT is not available) and multigated acquisition scanning or echocardiography when anthracyclines and anthracenedione-containing regimens are indicated.

A watch-and-wait approach may be appropriate for some patients with indolent MCL; however, patients with aggressive MCL, such as pleomorphic histology, require chemoimmunotherapy at diagnosis. For patients who relapse or achieve an incomplete response to first-line therapy, the NCCN guidelines recommend second-line treatment with a Bruton tyrosine kinase (BTK) inhibitor–containing regimen. Available BTK inhibitors include acalabrutinib, ibrutinib ± rituximab, zanubrutinib, and pirtobrutinib. Chemoimmunotherapy with lenalidomide + rituximab is another second-line option and may be particularly helpful for patients in whom a BTK inhibitor is contraindicated. Anti-CD19 CAR T-cell therapy is a recommended option for the third line and beyond.

Timothy J. Voorhees, MD, MSCR, Assistant Professor of Internal Medicine - Clinical, Division of Hematology, The Ohio State University James Comprehensive Cancer Center, Columbus, OH.

Timothy J. Voorhees, MD, MSCR, has disclosed the following relevant financial relationships:
Received research grant from: AstraZeneca; Morphosys; Incyte; Recordati.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of non–small cell lung cancer (NSCLC) large cell carcinoma.

Lung cancer is the most common cancer worldwide and has the highest mortality rate of all cancers. It comprises two major subtypes: NSCLC and small cell lung cancer (SCLC). Histologically, NSCLC is further classified as adenocarcinoma, squamous cell carcinoma, and large cell carcinoma with or without neuroendocrine features. Large cell carcinoma accounts for 9% of all cases and is frequently associated with poor prognosis. Most patients with NSCLC large cell carcinoma are older than 60 years and are diagnosed with stage III or IV disease. NSCLC large cell carcinoma appears to occur more commonly in men than in women and in patients with a history of smoking. It often presents as a large mass with central necrosis. 

NSCLC is often asymptomatic in its early stages. The most frequently reported signs and symptoms of lung cancer include:

•    Cough
•    Chest pain
•    Shortness of breath
•    Coughing up blood
•    Wheezing
•    Hoarseness
•    Recurring infections, such as bronchitis and pneumonia
•    Weight loss and loss of appetite
•    Fatigue

Signs and symptoms of metastatic disease may include bone pain, spinal cord impingement, or neurologic problems, such as headache, weakness or numbness of limbs, dizziness, and seizures.

All patients with NSCLC require a complete staging workup to evaluate the extent of disease because stage plays a central role in treatment selection. After physical examination and a complete blood count, a chest radiograph is often the first test performed. Chest radiographs may show a pulmonary nodule, mass, or infiltrate; mediastinal widening; atelectasis; hilar enlargement; and/or pleural effusion.

Various methods are available to confirm the diagnosis, and the method chosen may be determined at least in part by lesion location. These include: 

•    Bronchoscopy
•    Sputum cytology
•    Mediastinoscopy
•    Thoracentesis
•    Thoracoscopy
•    Transthoracic needle biopsy (CT- or fluoroscopy-guided)

According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), the diagnosis of NSCLC large cell carcinoma requires a thoroughly sampled resected tumor with immunohistochemical stains that exclude adenocarcinoma (TTF-1, napsin A) and squamous cell (p40, p63) carcinoma. Nonresected specimens or cytology specimens are insufficient for its diagnosis. NSCLC large cell carcinoma lacks the cytologic, architectural, and histochemical features of small cell carcinoma, adenocarcinoma, or squamous cell carcinoma and is undifferentiated. 

When the NSCLC histologic subtype is determined, molecular testing should be performed as part of broad molecular profiling with the goal of identifying rare driver mutations for which effective drugs may already be available or to appropriately counsel patients regarding the availability of clinical trials. NSCLC diagnostic standards include the detection of EGFR, BRAF, and MET mutations, ERBB2 (HER2) expression, and the analysis of ALK, ROS1, RET, and NTRK translocations. In addition, analysis of programmed death-ligand 1 expression is necessary to identify patients who may benefit from the use of immune checkpoint inhibitors. 

Surgery combined with chemotherapy has been shown to improve the prognosis of patients with NSCLC large cell carcinoma. Preferred regimens in various lines of treatment and according to molecular characteristics can be found in the NCCN guidelines. 

Karl J. D'Silva, MD, Clinical Assistant Professor, Department of Medicine, Tufts University School of Medicine, Boston; Medical Director, Department of Oncology and Hematology, Lahey Hospital and Medical Center, Peabody, Massachusetts.

Karl J. D'Silva, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of non–small cell lung cancer (NSCLC) large cell carcinoma.

Lung cancer is the most common cancer worldwide and has the highest mortality rate of all cancers. It comprises two major subtypes: NSCLC and small cell lung cancer (SCLC). Histologically, NSCLC is further classified as adenocarcinoma, squamous cell carcinoma, and large cell carcinoma with or without neuroendocrine features. Large cell carcinoma accounts for 9% of all cases and is frequently associated with poor prognosis. Most patients with NSCLC large cell carcinoma are older than 60 years and are diagnosed with stage III or IV disease. NSCLC large cell carcinoma appears to occur more commonly in men than in women and in patients with a history of smoking. It often presents as a large mass with central necrosis. 

NSCLC is often asymptomatic in its early stages. The most frequently reported signs and symptoms of lung cancer include:

•    Cough
•    Chest pain
•    Shortness of breath
•    Coughing up blood
•    Wheezing
•    Hoarseness
•    Recurring infections, such as bronchitis and pneumonia
•    Weight loss and loss of appetite
•    Fatigue

Signs and symptoms of metastatic disease may include bone pain, spinal cord impingement, or neurologic problems, such as headache, weakness or numbness of limbs, dizziness, and seizures.

All patients with NSCLC require a complete staging workup to evaluate the extent of disease because stage plays a central role in treatment selection. After physical examination and a complete blood count, a chest radiograph is often the first test performed. Chest radiographs may show a pulmonary nodule, mass, or infiltrate; mediastinal widening; atelectasis; hilar enlargement; and/or pleural effusion.

Various methods are available to confirm the diagnosis, and the method chosen may be determined at least in part by lesion location. These include: 

•    Bronchoscopy
•    Sputum cytology
•    Mediastinoscopy
•    Thoracentesis
•    Thoracoscopy
•    Transthoracic needle biopsy (CT- or fluoroscopy-guided)

According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), the diagnosis of NSCLC large cell carcinoma requires a thoroughly sampled resected tumor with immunohistochemical stains that exclude adenocarcinoma (TTF-1, napsin A) and squamous cell (p40, p63) carcinoma. Nonresected specimens or cytology specimens are insufficient for its diagnosis. NSCLC large cell carcinoma lacks the cytologic, architectural, and histochemical features of small cell carcinoma, adenocarcinoma, or squamous cell carcinoma and is undifferentiated. 

When the NSCLC histologic subtype is determined, molecular testing should be performed as part of broad molecular profiling with the goal of identifying rare driver mutations for which effective drugs may already be available or to appropriately counsel patients regarding the availability of clinical trials. NSCLC diagnostic standards include the detection of EGFR, BRAF, and MET mutations, ERBB2 (HER2) expression, and the analysis of ALK, ROS1, RET, and NTRK translocations. In addition, analysis of programmed death-ligand 1 expression is necessary to identify patients who may benefit from the use of immune checkpoint inhibitors. 

Surgery combined with chemotherapy has been shown to improve the prognosis of patients with NSCLC large cell carcinoma. Preferred regimens in various lines of treatment and according to molecular characteristics can be found in the NCCN guidelines. 

Karl J. D'Silva, MD, Clinical Assistant Professor, Department of Medicine, Tufts University School of Medicine, Boston; Medical Director, Department of Oncology and Hematology, Lahey Hospital and Medical Center, Peabody, Massachusetts.

Karl J. D'Silva, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.

The history and findings in this case are suggestive of non–small cell lung cancer (NSCLC) large cell carcinoma.

Lung cancer is the most common cancer worldwide and has the highest mortality rate of all cancers. It comprises two major subtypes: NSCLC and small cell lung cancer (SCLC). Histologically, NSCLC is further classified as adenocarcinoma, squamous cell carcinoma, and large cell carcinoma with or without neuroendocrine features. Large cell carcinoma accounts for 9% of all cases and is frequently associated with poor prognosis. Most patients with NSCLC large cell carcinoma are older than 60 years and are diagnosed with stage III or IV disease. NSCLC large cell carcinoma appears to occur more commonly in men than in women and in patients with a history of smoking. It often presents as a large mass with central necrosis. 

NSCLC is often asymptomatic in its early stages. The most frequently reported signs and symptoms of lung cancer include:

•    Cough
•    Chest pain
•    Shortness of breath
•    Coughing up blood
•    Wheezing
•    Hoarseness
•    Recurring infections, such as bronchitis and pneumonia
•    Weight loss and loss of appetite
•    Fatigue

Signs and symptoms of metastatic disease may include bone pain, spinal cord impingement, or neurologic problems, such as headache, weakness or numbness of limbs, dizziness, and seizures.

All patients with NSCLC require a complete staging workup to evaluate the extent of disease because stage plays a central role in treatment selection. After physical examination and a complete blood count, a chest radiograph is often the first test performed. Chest radiographs may show a pulmonary nodule, mass, or infiltrate; mediastinal widening; atelectasis; hilar enlargement; and/or pleural effusion.

Various methods are available to confirm the diagnosis, and the method chosen may be determined at least in part by lesion location. These include: 

•    Bronchoscopy
•    Sputum cytology
•    Mediastinoscopy
•    Thoracentesis
•    Thoracoscopy
•    Transthoracic needle biopsy (CT- or fluoroscopy-guided)

According to 2023 guidelines from the National Comprehensive Cancer Network (NCCN), the diagnosis of NSCLC large cell carcinoma requires a thoroughly sampled resected tumor with immunohistochemical stains that exclude adenocarcinoma (TTF-1, napsin A) and squamous cell (p40, p63) carcinoma. Nonresected specimens or cytology specimens are insufficient for its diagnosis. NSCLC large cell carcinoma lacks the cytologic, architectural, and histochemical features of small cell carcinoma, adenocarcinoma, or squamous cell carcinoma and is undifferentiated. 

When the NSCLC histologic subtype is determined, molecular testing should be performed as part of broad molecular profiling with the goal of identifying rare driver mutations for which effective drugs may already be available or to appropriately counsel patients regarding the availability of clinical trials. NSCLC diagnostic standards include the detection of EGFR, BRAF, and MET mutations, ERBB2 (HER2) expression, and the analysis of ALK, ROS1, RET, and NTRK translocations. In addition, analysis of programmed death-ligand 1 expression is necessary to identify patients who may benefit from the use of immune checkpoint inhibitors. 

Surgery combined with chemotherapy has been shown to improve the prognosis of patients with NSCLC large cell carcinoma. Preferred regimens in various lines of treatment and according to molecular characteristics can be found in the NCCN guidelines. 

Karl J. D'Silva, MD, Clinical Assistant Professor, Department of Medicine, Tufts University School of Medicine, Boston; Medical Director, Department of Oncology and Hematology, Lahey Hospital and Medical Center, Peabody, Massachusetts.

Karl J. D'Silva, MD, has disclosed no relevant financial relationships.

Image Quizzes are fictional or fictionalized clinical scenarios intended to provide evidence-based educational takeaways.