WARTY DYSKERATOMA

By Gary M. White, MD


The warty dyskeratoma (WD) is a rare epidermal tumor characterized histologically by a cup-shaped keratin-filled invagination with acanthosis and acantholytic dyskeratotic cells.

Clinical

A solitary nodule or papule with a central keratotic pore or umbilication is characteristic of a warty dyskeratoma. The head or neck of an adult is the most common site but they may occur anywhere and may affect children. Lesions may be chronic and may chronically drain (e.g., a cheesy material). Multiple warty dyskeratomas are very rare and mostly occur on the scalp.

Treatment

Surgical excision is curative although the lesion is felt to be benign.

References

A 47-year-old man presented with a 4 to 5-year history of a nodule with a pore on the scalp. The lesion was tender and slowly growing. The patient could express whitish material through the pore. Ann Dermatol. 2011 Feb; 23(1): 98–100

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