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目的:探讨显微手术治疗听神经瘤的操作技巧及治疗效果。方法:回顾性分析经枕下-乙状窦后入路显微手术治疗的68例听神经瘤临床资料。结果:本组肿瘤全切52例(76.4%),次全切除16例(23.6%),面神经解剖学保留率为82.3%(56例),对58例进行1年以上的随访评估,面神经功能获得满意恢复者为45例(77.5%)。结论:经枕下乙状窦后入路显微手术切除听神经瘤,对面神经可获得解剖学与功能的保护,能明显降低并发症与病死率。
Objective: To discuss the operation skill and therapeutic effect of microsurgical treatment of acoustic neuroma. Methods: The clinical data of 68 patients with acoustic neuroma treated by microsurgical suboccipital-sigmoid sinus posterior approach were retrospectively analyzed. Results: Totally 52 cases (76.4%) underwent total subtotal resection, 16 cases (23.6%) underwent subtotal resection and 82.3% (56 cases) facial anatomy. Fifty-eight cases were followed up for more than one year. Facial nerve function 45 cases (77.5%) were satisfied with recovery. Conclusions: Microsurgical removal of acoustic neuroma via the suboccipital sigmoid sinus posterior approach may provide anatomical and functional protection of the facial nerve and significantly reduce complications and mortality.