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神经导航下经岩骨幕上下联合入路中面神经管的解剖研究

, PP. 659-661

Keywords: 神经导航,经岩骨入路,面神经管/解剖学,显微解剖

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Abstract:

目的探讨神经导航在经岩骨幕上下联合入路中的作用,为经岩骨幕上下联合入路中保护面神经管提供解剖研究。方法8具16侧成人汉族尸头模拟在神经导航指引下经岩骨幕上下联合入路的手术操作,测量乳突最外点到面神经管各段的距离,解剖面神经管,观测面神经管的解剖及其与重要结构的关系。结果(1)所在面神经管均成功导航,成功率100%,总体误差<0.9mm。(2)面神经管岩骨段可划分为三段:前庭段(迷路段)最短,长径(3.6±1.2)mm、管径(1.2±0.3)mm;鼓室段居中,长径(11.2±2.5)mm、管径(1.4±0.1)mm;乳突段(垂直段)最长,长径(16.1±3.6)mm、管径(1.7±0.2)mm。结论神经导航可应用指导保护面神经管;熟悉面神经管的解剖特点有利于术中保护面神经。

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