桥小脑角脑膜瘤的显微手术治疗

Microsurgery treatment for meningiomas of the cerebellopontine angle:a report of 40 cases

目的探讨桥小脑角脑膜瘤手术入路及显微手术切除方法。方法回顾分析经显微手术治疗的40例桥小脑角脑膜瘤,均采用枕下乙状窦后入路。结果肿瘤全切除(SimpsonⅠ、Ⅱ级)32例,全切除率为80%。手术死亡2例。术后症状改善者32例,症状基本同术前4例。结论合理选择手术入路,术中应用显微技术妥善处理和保护血管、神经、脑干等,能较理想地切除肿瘤和提高患者生存质量。

Objective To explore the surgical approach and microsurgical technique for treating meningiomas of the cerebellopontine angle(CPA).Methods Fourty patients with CPA large and giant meningiomas treated with microneurosurgery were analyzed retrospectively.All cases were used by suboccipital retrosigmoidal approach.Results 32 patients received total removal(Simpson Ⅰ、Ⅱ),and the total removal rate was 80%.2 patients died after the operation.The condition improved in 32 patients and persisted in 4 patients.Conclusion It is possible to ideally remove the cerebellopontine angle tumor and improve the patient's life quality via choosing the adequate approach rationally,managing and protecting the vessels,nerves and brain stem carefully through microsurgical technique.