后颅凹脑膜瘤不太常见,占颅内脑膜瘤的10%。临床诊断困难,常发生误诊。近年 CT 扫描使诊断容易多了。作者介绍了38例后颅凹脑膜瘤的临床所见和手术体会。解剖后颅凹脑膜瘤因其部位不同,临床表现和手术方法亦不同。根据肿瘤附着部位,分为5组。 Posterior fossa meningioma is less common, accounting for 10% of intracranial meningioma. Clinical diagnosis is difficult, often misdiagnosis. In recent years, CT scan to make diagnosis easier. The author introduced 38 cases of posterior fossa meningioma clinical findings and surgical experience. Anatomy of the concave meningioma because of its different parts of the clinical manifestations and surgical methods are also different. According to tumor attachment sites, divided into 5 groups.