BACKBROUND: Different imaging detections for vertebral artery are still varied and controversial.Sample or case difference greatly influences the objective evaluation of various examination methods.

• 背景：目前不同影像学方法对椎动脉的检查仍然存在差异和争论，由于这些结果大多源于不同的病例或样本群，在很大程度上影响了对不同检查方法的客观评价。