烟雾病是一种在脑血管造影时发现脑底异常的血管网,形似烟雾状而得名,国内常称“脑底血管异网症”,“Willis环闭塞症”,目前采用“Moya-Moya病”。临床上常以偏瘫及颅神经障碍多见,可伴有发热、意识障碍、抽搐和感觉障碍等,故常误诊为散发性脑炎、癫痫;有时偏瘫反复发作,且常与 Moyamoya disease is a vascular network found in cerebrovascular abnormalities during cerebral angiography, which is named after the smoke-like shape, commonly known as “cerebral hemorrhage in the brain”, “Willis ring occlusion disease”, currently using “Moya-Moya disease”. Clinically often hemiplegia and cranial nerve disorders more common, may be associated with fever, unconsciousness, convulsions and sensory disturbances, it is often misdiagnosed as sporadic encephalitis, epilepsy; sometimes hemiplegia recurrent, and often with