报告52例小脑幕脑膜瘤,占同期颅内脑膜瘤的6.1%。病理分类以纤维细胞型较内皮型多见,这与肿瘤好发于小脑幕侧翼有关。恶性脑膜瘤占15%。颅内压增高是常见的症状,脑局灶症较少。辅助检查以动脉造影和 CT 脑扫描为可靠。手术入路依肿瘤瘤体所在部位而异,可采用幕上、幕下或幕上下联合切口。肿瘤全切除率为65%,手术死亡率为7.8%。 Report 52 cases of cerebellar meningioma, accounting for 6.1% of intracranial meningiomas in the same period. Pathological classification of fibroblast type more common than endothelial type, which occurs with the tumor in the cerebellar lateral veins. Malignant meningiomas accounted for 15%. Increased intracranial pressure is a common symptom, less focal in the brain. Auxiliary examination with arteriography and CT brain scan as reliable. Surgical approach according to the tumor site where the tumor may vary, you can use the curtain, curtain or screen under the joint incision. Tumor resection rate was 65%, surgical mortality was 7.8%.