鞍隔脑膜瘤十分罕见,我们自1980年以来经手术证实11例,占同期颅内肿瘤的0.25%(11/4375)。现报告如下。1 临床资料本组11例中男3例,女8例;年龄20～55岁。病程1个月～10年,平均1.55年。首发症状为视力障碍的6例。头痛4例,月经紊乱1例。视力障碍表现为:一侧偏盲6例,双侧偏盲2例,向心性盲3例;视力一侧下降6例,双侧下降5例;其中一眼失明3 Aneurysm meningioma is very rare, and we have been confirmed by surgery in 11 cases since 1980, accounting for 0.25% (11/4375) of intracranial tumors in the same period. The report is as follows. 1 Clinical data The group of 11 patients, 3 males and 8 females; aged 20 to 55 years. Duration of 1 month to 10 years, an average of 1.55 years. The first symptom of visual impairment in 6 cases. 4 cases of headache, menstrual disorders in 1 case. Visual impairment showed as follows: 6 cases of hemianopia on one side, 2 cases of bilateral hemianopia and 3 cases of centripetal blindness; 6 cases of decreased visual acuity and 5 cases of bilateral declination; one of them was blind 3