钙化上皮瘤亦称毛母质瘤,是较少见的毛源性肿瘤,术前常误诊为粉瘤、皮脂腺囊肿、淋巴结肿大、结核等。本院从1965～1988年共收治64例,现报告如下。 临床病理资料 1.性别,年龄:男22例,女42例。年龄7个月～67岁。<9岁9例。10～19岁18例。20～28岁 Calcified epithelial tumors, also known as gross maternal tumors, are rare hair-like tumors. They are often misdiagnosed as powder tumors, sebaceous cysts, lymphadenopathy, and tuberculosis before surgery. The hospital received 64 cases from 1965 to 1988. The current report is as follows. Clinical pathological data 1. Sex, age: 22 males and 42 females. Age 7 months to 67 years old. <9 years old 9 cases. 18 to 10 years old. 20 to 28 years old