桥小脑角肿瘤53例手术探讨

目的探讨桥小脑角区肿瘤显微手术方法及并发症防治。方法回顾性分析经显微外科手术切除桥小脑角区肿瘤53例临床资料。结果本组53例全切除23例，次全切除29例，部分切除1例。术后死亡1例，合并听力下降5例，严重面瘫并患侧听力消失3例，轻度面瘫10例，脑干损伤并昏迷1例。结论显微镜的应用、熟练的显微手术技术及合适的手术入路是保证桥小脑角区肿瘤全切除的要素。术中保证清晰的解剖结构及层次，减少周围神经及小脑的牵拉，对预防脑干损伤，减少术后并发症非常关键。

Analysis of the brain tumor operation in cerebello-pontine angle

Objective To discuss the microsurgery approaches and the prevention and treatment of complication about the tumors in cerebellopontine angle.Methods The 53 cases with cerebellopontine angle brain tumor were retrospectively analyzed.Results In all 53 patients,the tumor of 23 cases were full-resected,29 cases' tumor were resected more then 3/4,only one cases' tumor was partly treated.Following operation,one case died,5 cases had hearing decreasing,3 cases had severely facial nerve weakness and non hearing,10 cases had facial nerve anaesthesia,futhermore there was one case with long-period coma because of the injury of brain stem.Conclusion The important factors that decrease the complications of cerebellopontine angle tumor surgery include surgery approachs,operating experience and mechanism of complication.