Conclusion Undergoing retrosigmoid approach one can succeed to get hign rate of total acoustic neuroma removal, facial and hearing preservation.
结论枕下乙状窦后经内听道入路的听神经显微手术，能够取得较好的肿瘤全切除率和面听神经功能保留率。
Conclusion The VNT via retrosigmoid approach is the wide adopted operation which is a convenient and safe technique for controlling and eliminating the vertigo in Meniere's disease.
结论经乙状窦后径路行VNT是目前普遍采用的一种较为方便、安全的控制或消除梅尼埃病患者眩晕症状手术方法，同时能保存听觉功能和面神经完整性；
Methods:7 patients were treated with microsurgical operation by retrosigmoid sinus approach.
方法：采用乙状窦后进路显微外科方法治疗7例跨颅中后窝巨大胆脂瘤。
Methods:7 patients were treated with microsurgical operation by retrosigmoid sinus approach.
方法：采用乙状窦后进路显微外科方法治疗7例跨颅中后窝巨大胆脂瘤。
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