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目的探讨桥小脑角脑膜瘤的临床特点,经枕下乙状窦后入路的显微手术治疗技巧。方法收集2006年1月-2010年12月山西医科大学附属第一医院采用枕下乙状窦后入路显微手术治疗的31例桥小脑角脑膜瘤的临床资料,对其在肿瘤切除程度、面听神经功能保护等方面进行回顾性研究。结果 31例中行SimpsonⅠ级切除8例(25.8%),Ⅱ级17例(54.8%),Ⅲ级6例(19.4%),术后临床症状改善者22例,基本同术前者7例,症状加重者2例,无死亡病例,面神经功能保留者23例(74.2%),听力保留者21例(67.7%)。结论枕下乙状窦后入路显微手术治疗桥小脑角脑膜瘤安全、有效,术中结合电生理监测及神经内镜技术,可以提高肿瘤的全切率,面听神经功能保留率,改善患者术后生活质量。
Objective To investigate the clinical features of cerebellopontine angle meningioma and microsurgical treatment of posterior submandibular sinus. Methods The clinical data of 31 patients with cerebellopontine angle meningioma treated with suboccipital sigmoid sinus surgery from January 2006 to December 2010 in the First Affiliated Hospital of Shanxi Medical University were collected and analyzed in terms of tumor resection degree, Facial nerve function protection and other aspects of retrospective study. Results There were 8 cases (25.8%) of Simpson grade Ⅰ resection in 31 cases, 17 cases (54.8%) in grade Ⅱ and 6 cases (19.4%) in grade Ⅲ. There were 22 cases with improvement of clinical symptoms after operation, There were 2 cases of exacerbations, no deaths, 23 cases (74.2%) of facial nerve function reserve and 21 cases (67.7%) of hearing loss cases. Conclusions Submandibular sigmoid sinus posterior approach microsurgical treatment of cerebellopontine angle cerebrum meningioma safe and effective, combined with electrophysiological monitoring and endoscopic surgery technology, can improve the rate of tumor resection, facial nerve preservation rate, improve the patient Postoperative quality of life.