Photo Challenge

Photo Challenge

Diffuse Nonscarring Alopecia

A 19-year-old woman with attention deficit hyperactivity disorder and an anxiety disorder presented with hair loss of 2 years' duration. She...

Photo Challenge

Bilateral Brown Plaques Behind the Ears

A 94-year-old woman was referred to the dermatology department for biopsy of pigmented tumors behind the ears of unknown duration. The growths...

Photo Challenge

Erythematous Verrucous Plaque on the Hand

A 75-year-old retired farmer presented with an erythematous verrucous plaque on the dorsal aspect of the left hand of 4 years' duration....

Photo Challenge

Perianal Ulceration and Verrucous Papules

A 75-year-old woman with chronic lymphocytic leukemia undergoing ibrutinib targeted therapy presented to the emergency department with fever and...

Photo Challenge

Inframammary Macerated Erosion

An 81-year-old man presented with a painful erosion in the left inframammary region of 2 weeks' duration. He described the lesion as pruritic and...

Photo Challenge

Agminated Papules on the Neck

A 24-year-old woman presented with a lesion on the neck of 3 months' duration. She noted occasional mild pruritus at the site but no other...

Photo Challenge

Brown Papules on the Penis

A 32-year-old man presented to the outpatient clinic with reddish brown lesions on the penis of 5 months' duration. Dermatologic examination...

Photo Challenge

Agminated Heterogeneous Papules on the Neck

A 19-year-old man presented to the dermatology clinic for evaluation of several new dark papules on the neck of 1 year's duration. He denied any...

Photo Challenge

Telangiectatic Patch on the Neck

A 55-year-old woman presented to our clinic for a total-body skin examination and was noted to have a completely blanchable telangiectatic patch...

Photo Challenge

Friable Erythema and Erosions on the Mouth

A 68-year-old man with squamous cell carcinoma of the tongue presented with a sore throat and odynophagia of 4 days' duration. At the time he was...

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