脑膜瘤是颅内最常见的一种良性肿瘤,其发病率约占颅内肿瘤的1/6。我院1976～1982年经手术和病理检查证实45例颅内脑膜瘤,占同期颅内肿瘤的17.1％。与文献资料的一些数字相近。一、发病特点 1.年龄:脑膜瘤是成人的肿瘤,多发生于30～50岁,但确切的年龄分布在文献中尚不一致,文献中载有脑膜瘤见于幼儿者,但 Meningioma is the most common intracranial benign tumor, the incidence of about 1/6 of intracranial tumors. Our hospital from 1976 to 1982 by surgery and pathology confirmed 45 cases of intracranial meningioma, accounting for intracranial tumors in the same period 17.1%. Similar to some figures in the literature. First, the incidence of disease 1. Age: Meningioma is an adult tumor, occurred in 30 to 50 years old, but the exact age distribution in the literature is not consistent with the literature contains meningioma seen in children, but