烟雾病又称大脑云雾状血管瘤,是脑底动脉闭塞伴有基底节部位的微血管扩张,形成异常的血管网,扩张的微血管在脑血管造影时呈烟雾状图象,临床上有脑血液循环障碍的表现。是一种少见的脑血管疾病,1955年首先在日本发现,此后,欧美及非洲相继有报道,1969年Suzuki等报告21 Moyamoya disease, also known as brain cloud hemangiomas, cerebral artery occlusion accompanied by basal ganglia site of the capillaries dilatation, the formation of abnormal vascular network, dilation of capillaries in cerebrovascular angiography was smoke-like images of the clinical cerebral blood circulation Barrier performance. Is a rare cerebrovascular disease that was first discovered in Japan in 1955 and has been reported since then in Europe, America and Africa. In 1969 Suzuki et al. Reported 21