本文报告经手术治疗颅后窝脑膜瘤21侧,占同期颅内脑膜瘤163例的12.88%;计小脑凸面11例,小脑桥脑角7例,枕大孔区2例及横窦部1例。作者就上述部位脑膜瘤的临床表现与诊断分别作了简要的介绍与讨论。建议颅后窝脑膜瘤,特别是小脑凸面、小脑桥脑角及天幕下脑膜瘤,以其附着点结合肿瘤主体所在位置命名。文中分析了手术死亡3例的原因。 This report reports the surgical treatment of 21 sides of the posterior fossa meningioma, accounting for 12.88% of the 163 cases of intracranial meningioma in the same period; 11 cases of cerebellar convex, 7 cases of cerebellopontine angle, 2 cases of occipital foramen and 1 case of transverse sinus . The authors made a brief introduction and discussion on the clinical manifestations and diagnosis of meningiomas in the above sites. Proposal for posterior fossa meningiomas, especially cerebellar convex, cerebellopontine angle and meningioma under the canopus, with its attachment point combined with the location of the main tumor location. The article analyzes the causes of death in surgery in 3 cases.