proliferating pilar tumor

proliferating pilar tumor
proliferating trichilemmal tumor a type of adnexal tumor, usually benign, consisting of a solitary, multilobulated lesion of the hair follicle, arising from the root sheath; it is often confused with squamous cell carcinoma. It usually occurs on the scalp of middle-aged or older women. Called also proliferating pilar or proliferating trichilemmal cyst.

Proliferating trichilemmal tumor on the scalp of an elderly woman.

Medical dictionary. 2011.

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