It is diffficult to differentiate moyamoya disease in its early stage from mitochondrial disorders in children when nontraumatic ischemic stroke is considered.

• 临床上，非外伤性缺血性中风儿科病人，在早期阶段要去鑑别诊断是毛样毛样病或是其他粒腺体疾病，是很困难的。