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目的：探讨Wallenberg综合征病变血管部位及性质及MRI影像学特征，探讨二者与本病预后相关关系。方法：将12例临床确诊的Wallenberg综合征病人分别于发病1周及6周时头MRI检查并于1周内作全脑血管造影检查。结果：67％病例病变部位不仅累及延髓背外侧而且也累及同侧小脑半球及蚓部。50％病例并非是小脑后下动脉闭塞而是椎动脉狭窄。结论：血管病变部位及性质是决定本病预后的关键因素。
Objective: To investigate the location and nature of vascular lesions and MRI features of Wallenberg syndrome and to explore the relationship between them and the prognosis of this disease. Methods: Twelve patients with clinically diagnosed Wallenberg syndrome were examined by MRI at 1 week and 6 weeks after onset, respectively. Cerebral angiography was performed within 1 week. Results: 67% of cases not only involving the lesion medullary dorsolateral but also involving the ipsilateral cerebellar hemispheres and vermis. 50% of cases are not posterior cerebellar artery occlusion but vertebral artery stenosis. Conclusion: The location and nature of vascular lesion are the key factors that determine the prognosis of this disease.