脑膜瘤(meningioma)为起源于软脑膜蛛网膜细胞的良性肿瘤,约占颅内肿瘤的20%,是中枢神经系统除胶质瘤外最常见的肿瘤[1]。自18世纪开始采用手术的方法治疗脑膜瘤,随着现代神经外科的发展,CT、MRI、DSA等的广泛应用,显微外科技术的不断提高,颅底外科手术新入路的开拓,术中监测手 Meningioma (meningioma) is a benign tumor originated from the pia mater arachnoid cells, accounting for about 20% of intracranial tumors, is the most common tumor in the central nervous system except glioma [1]. Since the 18th century, surgical methods have been used to treat meningioma. With the development of modern neurosurgery, the widespread application of CT, MRI and DSA, the continuous improvement of microsurgery, the development of new approaches to skull base surgery, intraoperative monitoring hand