我科自2000年6月至2005年9月收治直径5cm向双侧发展的大型嗅沟脑膜瘤患者9例,经显微手术治疗,取得较好疗效。1资料与方法1.1一般资料本组9例,男5例,女4例;平均年龄46.7岁。病程为2个月~5年6个月,平均18个月。1.2临床表现精神异常如性格改变及行为异常7例;嗅觉障碍9例,伴有视力 Our department from June 2000 to September 2005 admitted to 5cm in diameter to the bilateral development of large olfactory groove meningioma in 9 patients, after microsurgical treatment, and achieved good results. 1 Materials and Methods 1.1 General Information The group of 9 patients, 5 males and 4 females; the average age of 46.7 years old. Duration of 2 months to 5 years and 6 months, an average of 18 months. 1.2 clinical manifestations of mental disorders such as personality changes and behavioral disorders in 7 cases; olfactory disorders in 9 cases, accompanied by vision