Article

head with rash

Hard Nodular Plaque on the Scalp

Author:
Ryan A. Gall, MD
Alyson J. Brinker, MD
John D. Peters, MD

A 35-year-old man presented to the dermatology clinic with a slow-growing plaque on the scalp of 10 years’ duration. The lesion was mildly...

Article

Erythematous Abdominal Nodule

Author:
Ryan Gall, MD
Matthew Willett, MD
John D. Peters, MD

A 71-year-old man presented with an inflamed erythematous papule on the right subcostal region of 12 months’ duration. It began as a small...