Dermatopathology

MD IQ

Photo Challenge

Retiform Purpura on the Lower Legs

A 58-year-old man presented with a petechial and purpuric rash limited to the lower extremities. He reported that the rash had been present for...

Dermpath Diagnosis

Recurrent Oral and Gluteal Cleft Erosions

A 71-year-old woman with no relevant medical history presented with recurrent painful erosions on the gingivae and gluteal cleft of 1 year’s...

Photo Challenge

Symmetric Palmoplantar Papules With a Keratotic Border

A 67-year-old man presented to our office with a rash on the hands, feet, and periungual skin that began with wartlike growths many years prior...

Photo Challenge

Widespread Erosions in Intertriginous Areas

A 72-year-old woman presented to the emergency department with painful, erythematic, pruritic, and purulent lesions in intertriginous regions...

Photo Challenge

Violaceous Nodules on the Leg in a Patient with HIV

A 67-year-old man with long-standing hepatitis B virus and HIV managed with chronic antiretroviral therapy presented with worsening erythema and...

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