56例飞行员寰椎椎动脉沟环的X线表现及分型
发布时间:2018-08-05 09:34
【摘要】:本文分析了 5 6例飞行员寰椎椎动脉沟环的X线表现 ,根据X线形态 ,将其分为三型 :Ⅰ型为完整形沟环 ,32例 ,可为单侧完全型或双侧完全型 ,也可为一侧完全型而另一侧为不完全型 ;Ⅱ型为不完整型或半环型 ,18例 ,分Ⅱa和Ⅱb两型 ,Ⅱa型 4例 ,也称前半环型 ,Ⅱb型 14例 ,称后半环型 ;Ⅲ型为断环型 ,6例。认为寰椎椎动脉沟环为颈椎解剖结构变异 ,与颈性眩晕有一定关系 ,在选拔飞行学员时应注意该变异的存在。
[Abstract]:The X-ray findings of the atlas vertebral artery sulcus ring in 56 pilots were analyzed. According to the X-ray morphology, they were divided into three types: type 鈪,
本文编号:2165378
[Abstract]:The X-ray findings of the atlas vertebral artery sulcus ring in 56 pilots were analyzed. According to the X-ray morphology, they were divided into three types: type 鈪,
本文编号:2165378
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