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内听道位于岩骨深部,其中走行位听神经和面神经,所涉及的病变多与这些颅神经有关。内听道开口于小脑桥脑角区、止于内听道底,与脑干、小脑、内耳的前庭和耳蜗相毗邻,手术解剖复杂。作者报告自1989年～1991年采用经颞骨途径行内听道手术15例,其中经迷路上进路12例,经乳突迷路进路3例。所行手术包括颞骨纵行骨折面神经麻痹3例,贝尔氏面瘫4例,耳带状疱疹1例,均行面神经全程减压,颞骨原发性胆脂瘤2例,面神经鞘瘤2例,肿瘤切除后行面神经移植吻合;内听道听神经瘤3例。本文仅就手术技术及随访结果进行讨论。
The internal auditory canal is located deep in the petrous bone, of which the walking nerve and facial nerve are involved, and the lesions involved are often related to these cranial nerves. The auditory canal opening in the cerebellopontine area, ending in the end of the auditory canal, and the brainstem, cerebellum, inner ear vestibules and cochlea adjacent to the surgical anatomy complex. The authors report from 1989 to 1991, the use of temporal bone via internal auditory canal surgery in 15 cases, of which lost the way into the road in 12 cases, the mastoid labyrinth into the road in 3 cases. Surgical operations included facial nerve palsy in 3 cases of temporal bone longitudinal fracture, Bell’s palsy in 4 cases and ear herpes zoster in 1 case. All facial nerve decompression was performed. 2 cases of temporal bone cholesteatoma, 2 cases of facial nerve sheath tumor, Excision followed by facial nerve transplantation anastomosis; internal auditory neuroma in 3 cases. This article discusses only the surgical techniques and follow-up results.