喉后外侧进路杓状软骨定位的应用解剖
Chinese journal of clinical anatomy(2004)
Abstract
目的:为临床喉后外侧手术进路杓状软骨的定位提供解剖依据.方法:观察30例60侧(男19例,女11例)喉软骨架标本杓状软骨肌突与甲状软骨板的位置关系.结果:(1)杓状软骨肌突距甲状软骨下角下端距离:男(12.5±1.8)mm,女(10.5±1.8)mm;距甲状软骨板后缘间距:男(8.0±1.7)mm,女(6.7±1.8)mm;距甲状软骨板内面间距:男(3.4±1.7)mm,女(3.5±1.1)mm.(2)杓状软骨肌突投影点位于甲状软骨板斜线后区下部,该投影点距甲状软骨下缘距离:男(6.6±0.1)mm,女(4.9±0.4)mm;距后缘距离:男(6.8±1.8)mm,女(5.5±1.3)mm.结论:经喉后外侧进路手术可从甲状软骨后缘、下缘、环甲关节下缘或去除部分甲状软骨板来定位肌突.肌突距甲状软骨板内面最近,若从甲状软骨板斜线后区开窗寻找肌突可以缩短手术进路距离.
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Key words
posterior lateral ara,arytenoids,anatomy
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