Dermatopathology

Case Reports

Acquired Perforating Dermatosis in a Skin Graft

Acquired perforating dermatosis (APD) is characterized by pruritic craterlike lesions with a predilection for patients affected by chronic kidney...

MD IQ

Dermpath Diagnosis

Tetrad Bodies in Skin

A 72-year-old woman with a medical history notable for multiple sclerosis and intravenous drug abuse presented to the dermatology clinic with a 0....

For Residents

Bedside Microscopy for the Beginner

Novice microscopists may struggle with identifying both the appropriate lesion for bedside testing as well as preparation and interpretation of...

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...

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