岩骨后脑膜瘤是指基底附着于颞骨岩部后面的脑膜瘤。作者从1996年1月至2004年12月收住该类病人11例,采用枕下乙状窦后入路显微手术,成功切除肿瘤。现报告如下。1临床资料1.1一般资料本组11例,其中男5例,女6例,年龄25～74岁,平均50岁。病程1个月～5年。头痛8例;有一根或多根颅神 Posterior petrous meningioma refers to the attachment of meningiomas behind the temporal petrous bone. From January 1996 to December 2004, the authors received 11 cases of such patients, the use of suboccipital sigmoid sinus approach microsurgery, the successful removal of the tumor. The report is as follows. 1 Clinical data 1.1 General Information The group of 11 patients, including 5 males and 6 females, aged 25 to 74 years, mean 50 years. Duration of 1 month to 5 years. Headache in 8 cases; one or more cranial God