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介绍选择性耳蜗神经切断术成功治疗致残性耳鸣患者2例，讨论了手术指征、手术技巧和结果。例1，男，49岁，头部外伤后右耳出现严重的持续性耳鸣2年，无可用听力；无头晕、眩晕或失衡，强烈的耳鸣影响睡眠和工作。听力图示右耳极重度感音神经性聋，无语言辨别力，ENG示右耳前庭?
Two cases of disabling tinnitus were successfully treated with selective cochlear nerve transection. The surgical indications, surgical techniques and results were discussed. Example 1, male, 49 years old, with severe persistent tinnitus in the right ear for 2 years after head trauma without hearing; no dizziness, dizziness or imbalance, intense tinnitus affecting sleep and work. Hearing diagram extremely sensitive right ear deafness, no speech discrimination, ENG shows right ear vestibule?