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JAMA Clinical Challenge
July 16, 2014

Erosive Plaque on Scrotum

Author Affiliations
  • 1Department of Dermatology, Peking Union Medical College Hospital, Beijing, China

Copyright 2014 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.

JAMA. 2014;312(3):288-289. doi:10.1001/jama.2013.286242

A 61-year-old man presents with a painless plaque on the right side of his scrotum; the plaque first appeared 1.5 years ago and has been slowly enlarging since. The patient reports experiencing no fevers or chills since the plaque developed. On examination the bright reddish, irregularly shaped plaque measures 4.0 × 1.5 cm and has erosions on the surface (Figure 1). The physical examination is otherwise unremarkable. Results of complete blood cell count and differential are normal.

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