Proliferating trichilemmal tumor of the ischiorectal fossa

作者：Makhlouf Zineb^*; Verola Olivier; Senejoux Agnes; Duval Antoine; Terris Benoit; Balaton Andre; Molinie Vincent

来源：Annales de Pathologie, 2011, 31(4): 316-319.

DOI：10.1016/j.annpat.2011.05.011

• Trichilemmal cyst
• Proliferating trichilemmal tumor
• Ischiorectal fossa

Proliferating trichilemmal tumor (PTT) is rare and follows a protracted course, almost always benign. Nevertheless an adverse outcome may occur. Usually PTT presents as an indolent mass in the scalp of elderly women. We report a case of PTT localized in the ischiorectal fossa, which might have been diagnosed as an epidermoid carcinoma.

• 出版日期2011-8