延髓背外侧综合征是多由小脑后下动脉血栓形成或椎动脉闭塞,延髓背外侧部损害,使此处脑神经核团和传导束受损出现的一组临床表现的总称。因小脑后下动脉从椎动脉上部分出,是椎动脉最大且变异最多的分支,故临床表现多种多 Medullary dorsolateral syndrome is a general term for a group of clinical manifestations of cerebellar nerve nuclei and impaired conduction, mostly caused by posterior inferior cerebellar artery thrombosis or vertebral artery occlusion, medullary dorsolateral damage. Due to the inferior cerebellar artery from the upper part of the vertebral artery, vertebral artery is the largest and most diverse branch, so a variety of clinical manifestations