DSA is the main method for the diagnosis of Moyamoya disease, CT can depict the localims of cerebral hemorrhage in emergency patients and the lesims of chronic disease in children.

• DSA检查是诊断本病的主要手段，具有明显的优点。 CT检查对于急性病人一般只能提示出血部位，对于慢性儿童病人常能提示有脑组织内病变。