Asymptomatic Red and Brown Lesions on the Face and Neck of a 15-Year-Old Boy—Diagnosis
Abstract
Diagnosis: Erythromelanosis follicularis faciei et colli. Microscopic findings and clinical course Histopathologic examination of the skin biopsy specimen revealed mild epidermal hyperplasia and increased melanin in basal keratinocytes. A mild, superficial, perivascular, lymphocytic infiltration surrounded the dilated papillary vasculature. Slightly dilated hair follicles containing lamellar keratin plugs, tortuous hair, and perifollicular fibrosis were noted. The histologic findings...