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JAMA Dermatology Clinicopathological Challenge
February 2014

Erythematous Nodule of the Left Eyebrow in a 14-Year-Old Boy

Author Affiliations
  • 1Division of Dermatology, Department of Specialised, Experimental, and Diagnostic Medicine, Sant’Orsola–Malpighi Hospital, University of Bologna, Bologna, Italy

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

JAMA Dermatol. 2014;150(2):201-202. doi:10.1001/jamadermatol.2013.5965

A 14-year-old boy was referred to our unit for evaluation of mild to moderate papulopustular acne. He also presented a slowly enlarging erythematous nodule located on the left eyebrow, which was initially attributed to the underlying disease. The lesion had started 6 months before referral. The patient’s medical history was unremarkable. Physical examination revealed an erythematous, nodular, oval-shaped lesion, approximately 12 × 6 mm in diameter, with a warty surface and a tense-elastic consistence on palpation (Figure, A). There was no pain when fingertip pressure was applied. Dermoscopy revealed the presence of a nonspecific vascular pattern with “polymorphous” vessels and multiple yellow-white areas (Figure, B [arrowheads]). A biopsy specimen was obtained (Figure, C).

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