A 48-year-old woman presented with a 6-month history of a pruritic lesion on the left helix. The lesion was initially thought to be caused by irritation from her glasses and was treated with topical fluocinonide ointment and a course of oral cephalexin, without resolution. The patient had no other systemic complaints and was otherwise healthy.
Physical examination revealed a 1.3 × 0.8-cm, red to violaceous, firm, nontender plaque on the medial portion of the left helix (Figure 1). A punch biopsy specimen was obtained (Figure 2 and Figure 3).
Hamilton TK, Baughman RD, Perry AE. Persistent Pruritic Plaque of the Ear. Arch Dermatol. 1999;135(4):463–b–468. doi:10-1001/pubs.Arch Dermatol.-ISSN-0003-987x-135-4-dof0499
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