绪言一向健康的小儿,常在感冒等非特异性感染后不久突然发生步行障碍。步行障碍为小脑性,常伴有全身异常运动(震颤),眼球异常运动。几乎没有发烧、头痛、呕吐等症状,脑脊液亦正常。多数病例数日至半年完全治愈,这样的病例叫做急性小脑性共济失调症。可能是局限性小脑炎,但依据对眼球异常运动等的分析,也可能有脑干受累。在病因中曾提到有病毒或细菌的直接侵袭、神经变态反应、潜伏性病毒的活跃、毒素作用等,但确切的原因不明。 The introduction has always been healthy children, often in a cold and other non-specific infection suddenly occurred walking disorder. Obstacle to walking for the cerebellum, often accompanied by generalized abnormal movements (tremor), abnormal eye movement. Almost no fever, headache, vomiting and other symptoms, cerebrospinal fluid is also normal. The majority of cases were completely cured within days to six months, and such cases were called acute cerebellar ataxia. May be limited to encephalitis, but based on the analysis of abnormal eye movements, etc., may also have brain stem involvement. In the cause of the virus or bacteria have been mentioned in the direct invasion, neurological allergies, latent virus activity, toxins, but the exact cause is unknown.