By Gary M. White, MD
The desmoplastic trichoepithelioma (DT) is a benign adnexal tumor. It usually a solitary lesion, but familial, multiple desmoplastic trichoepitheliomas have been described.
A slow-growing, asymptomatic whitish papule or small plaque on the face of a woman is characteristic. The most classic lesions have a raised annular border and a depressed non-ulcerating center. The cheek is the most common site, followed by the nose, chin, forehead, periorbital region and lips.
Surgical excision may be done. Individual lesions may be treated with C&D or observed if the diagnosis is assured. One lesion was followed and remained unchanged for 40 years [JAAD 1987;17;489-492].
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