title: [Malignant proliferating trichilemmal tumor].
abstract: Proliferating trichilemmal tumor (PTT) is a rare distinctive lesion that usually occurs in the scalp of elderly women. About 40 cases of malignant PTTs have been reported. Alternatively, some authors have proposed that all PTT are squamous cell carcinomas. We report a case of a malignant PTT on the scalp in 44-year-old man. Clinical features and histological criteria for diagnosis of malignant versus benign PTT are discussed.
authors.affiliation: Service d'anatomie et cytologie pathologiques, Institut Salah Azaiez, 1006 Bab Saadoun, Tunis (Tunisie). maha.driss@rns.tn
authors.forename: Maha
authors.initials: M
authors.lastname: Driss
authors.forename: Dhouha
authors.initials: D
authors.lastname: Bacha
authors.forename: Karima
authors.initials: K
authors.lastname: Mrad
authors.forename: Lamia
authors.initials: L
authors.lastname: Charfi
authors.forename: Imen
authors.initials: I
authors.lastname: Abbes
authors.forename: Samia
authors.initials: S
authors.lastname: Sassi
authors.forename: Ryme
authors.initials: R
authors.lastname: Sallemi
authors.forename: Khaled
authors.initials: K
authors.lastname: Ben Romdhane
mesh_terms: D002455:Cell Division; D006801:Humans; D008297:Male; D008875:Middle Aged; D012535:Scalp / Q000473:pathology* / Q000601:surgery; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery; D016896:Treatment Outcome