[恶性增生性外毛根鞘瘤]
[Malignant proliferating trichilemmal tumor].
作者信息
Driss Maha, Bacha Dhouha, Mrad Karima, Charfi Lamia, Abbes Imen, Sassi Samia, Sallemi Ryme, Ben Romdhane Khaled
机构信息
Service d'anatomie et cytologie pathologiques, Institut Salah Azaiez, 1006 Bab Saadoun, Tunis (Tunisie).
出版信息
Ann Pathol. 2007 Oct;27(5):373-5. doi: 10.1016/s0242-6498(07)78277-9.
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.
增殖性外毛根鞘瘤（PTT）是一种罕见的独特病变，通常发生于老年女性的头皮。已报道约40例恶性PTT。另外，一些作者提出所有PTT均为鳞状细胞癌。我们报告1例44岁男性头皮恶性PTT病例。文中讨论了恶性与良性PTT的临床特征及诊断的组织学标准。
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