临床发现颈肋综合征的局部病理改变包括颈肋、斜角肌的异常和对臂丛神经的卡压。

The clinical local pathological findings of cervical rib syndrome were the cervical rib, abnormal scalenus and their compression on the brachial plexus.

youdao

结论：前、中斜角肌在颈椎横突前、后结节均有起点，该交叉起点可能是上干型胸廓出口综合征的主要原因。

Conclusion:Anterior and middle scalene muscles have starting points in transverse processes of cervical vertebra. Those decussating starting points are the main cause of thorax exit syndrome.

youdao