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January 1990

Multiple Cystic Lesions

Arch Dermatol. 1990;126(1):101-102. doi:10.1001/archderm.1990.01670250107018

REPORT OF A CASE  A 25-year-old woman presented with a 10-year history of lesions on the chest, back, neck, and forehead. She stated that the lesions occasionally drained a cheesy-white material but were otherwise asymptomatic. The patient's mother and brother had the same condition. She had received no treatment.Physical examination disclosed multiple flesh-colored, freely movable, nontender cystic lesions measuring up to 2 cm on the upper chest, neck, back, and forehead (Figs 1 and 2).A representative skin biopsy specimen is shown in Figs 3 and 4.What is your diagnosis?

DIAGNOSIS:  Steatocystoma multiplex.

HISTOPATHOLOGIC FINDINGS  The biopsy specimen showed an unremarkable epidermis. Within the epidermis was a large cyst lined by several layers of flattened epithelial cells. Within the cyst wall were flattened subaceous glands.

DISCUSSION  Steatocystoma multiplex is an uncommon condition that usually begins in adolescence or early adult