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Anais Brasileiros de Dermatologia

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CAVALEIRO, Luíza Helena dos Santos; VIANA, Fernanda de Oliveira; CARNEIRO, Clivia Maria Moraes de Oliveira  and  MIRANDA, Mario Fernando Ribeiro de. Proliferating trichilemmal tumor: case report. An. Bras. Dermatol. [online]. 2011, vol.86, n.4, suppl.1, pp. 190-192. ISSN 0365-0596.

Proliferating trichilemmal tumor (PTT) is an uncommon neoplasm arising from the follicular isthmus. Its histological characteristic is the presence of trichilemmal keratinization. PTT usually presents as a solitary nodule on the scalp of elderly women. We describe a case of a PTT on the gluteal region (buttocks) of a 16-year-old female, presenting as a solitary nodule

Keywords : Cysts; Histology; Buttocks.

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