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JAMA Clinical Challenge
July 25, 2012

A Crusted Plaque on the Right Nipple

Author Affiliations
 

JAMA Clinical Challenge Section Editor: Huan J. Chang, MD, Contributing Editor. We encourage authors to submit papers for consideration as a JAMA Clinical Challenge. Please contact Dr Chang at tina.chang@jamanetwork.org

Author Affiliations: Department of Dermatology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan.

JAMA. 2012;308(4):403-404. doi:10.1001/jama.2012.7538

A healthy 27-year-old heterosexual man presents with a crusted plaque on his right nipple. The lesion formed gradually over a week after a bite during sexual intercourse and has persisted for a month. The patient reports that over the following 2 to 3 weeks, no significant change in size or morphology of this lesion occurred. The lesion is not painful; neither fever nor associated systemic symptoms are noted. Now, 1 month later, the patient presents with a generalized asymptomatic skin eruption. Physical examination reveals generalized pink macules on the trunk and extremities (Figure 1A). A crusted, erythematous plaque is noted over the enlarged right nipple (Figure 1B).

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