乳突根治术主要用于彻底清除鼓室、鼓窦及乳突腔的病变组织,达到治疗和预防颅内外并发病和获一干耳之目的,关于手术径路问题,过去多由筛状区径路。笔者从1971年开始用耳道内上鼓室径路或称前径路,共施行乳突根治术84例,均系胆脂瘤型中耳炎,年龄最小4岁,最大50岁,经过实践感到前径路比筛状区径路有很大优点,现将点滴体会介绍于下。 Mastoidectomy is mainly used to completely remove the tympanic cavity, the sinuses and the mastoid cavity of the lesion to achieve the treatment and prevention of intracranial and extracranial complications and get a dry ear purposes, on the surgical approach, in the past by the sieve zone path. From 1971 onwards, the author started to use 84 cases of radical mastoidectomy with tympanic canal or ear canal in the ear canal, all of which were cholesteatoma otitis media, the youngest was 4 years old and the oldest was 50 years old. After practice, District Road has a great advantage, will now be introduced in the next bit of experience.