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约1～8%的过敏性紫癜患者发生中枢神经系统受累,通常由于高血压,肾功衰竭或血管炎所造成的周围神经功能障碍过去很少报导。本文报导1例过敏性紫癜并发单侧腓神经炎。病例报告:1例2.5岁女孩在轻度上呼吸道炎3周后,其双手,双下肢,臀部出现斑丘疹及古腕、膝踝关节肿胀。24小时后,面部和头皮出现水肿,左上和下肢关节肿胀。病后第10天面部浮肿和关节肿胀消失,但是出现腹痛和血尿而入院。体检血压正常,皮肤多发性紫癜,腹部轻度压痛,右踝关节肿胀。神经系统检查正常。腹部症状自行缓解而出院。出院后两天,左膝关节和大腿肿胀不愿行走。6周后,病儿再次入院。生命体征正常。躯干有几个小的紫癜。腹部和关节正常。左下肢有局限性的神经异常,左脚不能向背侧屈曲及外翻,左腿的腓部中间部分比右腿小1.5cm。双侧膝反射存在对称。左踝反射比右侧减弱,病儿四
About 1 to 8% of patients with allergic purpura develop central nervous system involvement, and peripheral neuropathy, usually caused by hypertension, renal failure, or vasculitis, has rarely been reported in the past. This article reports 1 case of allergic purpura complicated by unilateral peroneal inflammation. Case Report: A 2.5-year-old girl had rash on her hands, legs and buttocks, swollen wrist and knee and ankle after 3 weeks of mild upper respiratory tract inflammation. After 24 hours, there is edema on the face and scalp, swelling of the upper left and lower extremities. On the 10th day after the illness, facial edema and joint swelling disappeared, but abdominal pain and hematuria were admitted. Physical examination of normal blood pressure, multiple purpura skin, mild tenderness in the abdomen, swelling of the right ankle. Nervous system examination is normal. Abdominal symptoms relieved themselves and discharged. Two days after discharge, left knee and thigh swelling unwilling to walk. Six weeks later, the sick child was admitted again. Vital signs are normal. There are a few small purpura torso. Abdomen and joints normal. There are limitations of the left lower extremity nerve abnormalities, left foot can not flexion and valgus dorsiflexion, the left leg of the midrib than the right leg 1.5cm. Bilateral knee reflex symmetry. Left ankle reflex than the right side weakened, sick child four