摘要目的 总结大型听神经瘤的显微手术经验.方法 回顾性分析经枕下-乙状窦后入路21例大型听神经瘤的显微手术.结果 本组病例全切或近全切18例(85.7%);大部分切除3例(14.3%);面神经解剖保留16例(76.2%);死亡1例(4.8%).结论 采用经枕下-乙状窦后入路显微久科技术切除大型听神经瘤是一种安全、有效的方法 .

abstractsObjective To summarize the experience in mierosurgical treatment of large acoustic neuroma.Methods 21 patients with large acoustic neuroma were analyzed retrospectively.Microsurgical resection via posterior appoach through the sigmoid sinus was undergone in all the patients.Result The tumors were totally or subtotally removed in 18 cases(85.7%)and partially removed in 3 cases(14.3%).Anatomical preservation of the facial nerve were achieved in 16 cases(76.2%).One patient(4.8%)died.Conclusions Microsurgical resection of large acoustic neuroma via posterior approach through the sigmoid sinus is safe and effective.