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October 1981

Steatocystoma Multiplex Limited to the Scalp

Arch Dermatol. 1981;117(10):673-674. doi:10.1001/archderm.1981.01650100075035

The lesions of steatocystoma multiplex are pleuripotential, ectodermal tumors.1 This uncommon type of dermoid cyst usually is initially seen as numerous cystic nodules of variable size and consistency on the anterior part of the trunk, the upper extremities, and, rarely, the face.2 Microscopic examination of the tumors shows mural, mature pilosebaceous structures and is diagnostic.

The following case report illustrates an unusual manifestation of steatocystoma multiplex arising in an elderly man and limited to the scalp.

Report of a Case  A 70-year-old man had four nodules on his scalp. The lesions had been present for ten years, had been slowly enlarging for the last three years, but were otherwise entirely asymptomatic. There was no family history of similar lesions.On physical examination, four distinct, smooth-surfaced, yellow nodules, ranging in size from 1.3 to 2.4 cm, were located on the central part of the scalp. All had a doughy

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