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目的探讨听神经瘤的显微手术及保留面神经的技术。方法回顾性分析了我院近6年经枕下乙状窦后入路显微手术切除的23例听神经瘤病人。结果肿瘤全切18例,次全切3例,部分切除2例;面神经解剖保留15例。随访6月￣4年,全切18例中复发1例,面神经功能恢复12例。结论利用显微外科技术,经枕下乙状窦后入路,能全切听神经瘤,解剖保留面神经,有利于面神经功能的恢复。
Objective To investigate the microsurgery of acoustic neuroma and the technique of preserving the facial nerve. Methods A retrospective analysis of our hospital in the past 6 years after transcervical sigmoid sinus approach microsurgical resection of 23 patients with acoustic neuroma. Results Totally 18 cases of tumor resection, subtotal cut in 3 cases, partial resection in 2 cases; facial nerve anatomy retained 15 cases. Follow-up 6 months to 4 years, 18 cases of complete resection in 1 case, facial nerve function recovery in 12 cases. Conclusion With microsurgical technique, transoccipitated sigmoid sinus posterior approach can completely cut acoustic neuroma and preserve the facial nerve anatomically, which is good for the recovery of facial nerve function.