1　病例报告患儿男,2岁,因间断腹痛1月余,四肢震颤4d入院。腹痛以脐周明显,不向其它部位放射,不伴发热、呕吐、腹泻、抽搐。查体:T36.6℃P112/min,神清,精神欠佳,四肢震颤,尤以左侧明显,站立困难,左侧面瘫征阳性。颈软,心肺腹检查未见异常。双侧膝、跟腱反射稍活跃,布氏征、克 A case report in children with male, 2 years old, more than 1 month due to intermittent abdominal pain, tremor limb 4d admission. Abdominal pain in the umbilical obvious, not to other parts of the radiation, without fever, vomiting, diarrhea, convulsions. Physical examination: T36.6 ℃ P112 / min, God clear, poor health, limb tremor, especially in the left obvious, standing difficulties, left paralysis sign positive. Neck soft, no abnormal cardiopulmonary abdominal examination. Bilateral knees, Achilles tendon reflex slightly active, Brinell sign, g