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检查 90例 (180耳 )患者的颞骨高分辨率 CT扫描结果 ,其中 37例男性 ,5 3例女性。平均年龄 39.6岁 (8～ 74岁 )。采取与外毗和外耳道连线平行的方法行颞骨横断面 CT扫描 ,每层 2 mm,以经过耳蜗基底转的横断面作为数据的测量。选择前、后、外侧和内侧 4个参考点作为面神经的手术
The temporal bone high-resolution CT scan was performed in 90 patients (180 ears), of whom 37 were males and 53 were females. The average age of 39.6 years (8 to 74 years old). Take parallel with the external and external auditory canal connection line method of temporal bone cross-sectional CT scan, 2 mm per layer, to cross the cochlear basal plane as a measurement data. Select the front, back, lateral and medial 4 reference points as facial nerve surgery