烟雾病(Moyamoya diseaes,MMD)又称脑底异常血管网症,是一种原因不明的慢性进行性颅底动脉血管闭塞性疾病。该病最早于1957年由日本学者Takeuchi报道,并于1969年由Suzuki和Takaku根据脑血管造影所见命名为“烟雾病”。在中国无论年龄大小,以脑缺血为首发症状的百分比远高于脑出血。本研究报道4例烟雾病伴分水岭脑梗死 Moyamoya diseaes (MMD), also known as cerebrovascular abnormality, is an unidentified chronic progressive skull base artery occlusive disease. The disease was first reported in 1957 by Japanese scholar Takeuchi and was named “moyamoya” in 1969 by Suzuki and Takaku based on cerebral angiography. In China, regardless of age, the percentage of patients with cerebral ischemia as their first symptom is much higher than that of cerebral hemorrhage. This study reported 4 cases of moyamoya disease with watershed cerebral infarction