髓母细胞瘤是颅内常见的胚胎残余肿瘤，发生于儿童期，多位于小脑蚓部，少数发生在成人期，主要位于小脑半球。我院自1977年8月～1992年10月间收治髓母细胞瘤25例，其中生长在大脑半球者7例。报告如下：1临床资料1．1一股资料7例均为女性，年龄最小3岁，最大56岁，平均24．4岁 Medulloblastoma is a common intracranial tumor residual tumor occurred in childhood, mostly in the cerebellar vermis, a few occurred in adulthood, mainly in the cerebellar hemispheres. My courtyard from August 1977 to October 1992 admitted medulloblastoma in 25 cases, of which 7 cases grew in the cerebral hemisphere. The report is as follows: 1 Clinical data 1.1 A 7 cases of information are female, the youngest 3 years old, maximum 56 years old, average 24.4 years old