Moyamoya病,最早于1957年由日本学者Takeuchi和Shimizu提出,是一种以双侧颈内动脉末端及大脑前、大脑中动脉起始处内膜缓慢增厚、动脉管腔逐渐狭窄以致闭塞、脑底穿通动脉代偿性扩张为特征的疾病。该病由于脑底异常血管网形状酷似吸烟时吐出的烟雾,故又称为烟雾病或脑底异常血 Moyamoya disease, as early as 1957 by the Japanese scholar Takeuchi and Shimizu put forward is a kind of bilateral internal carotid artery and the front of the brain, the beginning of the middle cerebral artery thickening of the intima slowly, arterial lumen gradually narrowed to occlusion, brain Bottom perforating artery characterized by compensatory expansion of the disease. The disease due to the abnormal shape of the brain blood vessels resembles the shape of smoking like smoke, it is also known as moyamoya disease or abnormal blood