Methods With spiral CT angiography(SCTA),20 cases of cervical spondylosis at the origin of the vertebral artery were examed,the vertebral artery and their adjacent structures were showed clearly.

• 方法应用螺旋CT血管成像(SCTA)技术,对20例椎动脉颈椎病患者的椎动脉进行三维重建,观察椎动脉的形态及其毗邻结构。