Dermatopathology

Photo Challenge

Painful Ulcerating Lesions on the Breast

A 36-year-old puerperal woman presented with painful, unilateral, ulcerating breast lesions of 3 months’ duration that developed during pregnancy...

Dermpath Diagnosis

Isolated Nodule and Generalized Lymphadenopathy

A 23-year-old man presented with skin that bruised easily, pancytopenia, recent fatigue, fever, and loss of appetite, along with a nontender,...

MD IQ

Photo Challenge

Rapidly Enlarging Bullous Plaque

A 26-year-old previously healthy man presented to the emergency department with a new asymptomatic enlarging lesion on the lower leg that had...

Commentary

Patch Testing on Dupilumab: Reliable or Not?

Patch testing is important to help determine a possible allergic contactant, but there is confusion about its accuracy in patients taking...

Case Letter

Leukemia Cutis Manifesting as Nonpalpable Purpura

Leukemia cutis complicates 5% to 15% of all cases of acute myeloid leukemia in adults.

Dermpath Diagnosis

Light Brown and Pink Macule on the Upper Arm

A 37-year-old woman with a history of fibrocystic breast disease and a family history of breast cancer presented with a light brown macule on the...

Photo Challenge

Disseminated Erythematous-Violet Edematous Plaques and Necrotic Nodules

A 53-year-old man presented to the emergency department with a fever and painful skin lesions of 2 days’ duration. He reported a medical history...

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