A neurologic syndrome occurred in the morning with unusual headache and stroke-like episodes, presenting an acute ataxic hemiparesis and a pure motor hemiparesis, respectively.

• 两病人临床表现皆始于清晨，因剧烈头痛及类似中风症状，一以失调性偏瘫，另一以纯运动性偏瘫运动性偏瘫而住院。