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Title: Proliferating trichilemmal tumor--case report. Author: Cavaleiro LH, Viana Fde O, Carneiro CM, Miranda MF. Journal: An Bras Dermatol; 2011; 86(4 Suppl 1):S190-2. PubMed ID: 22068807. Abstract: 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.[Abstract] [Full Text] [Related] [New Search]