例 1.患儿女 ,7个月 ,主因皮肤瘀斑伴右下肢无力 3个月于 2 0 0 1年 6月入院。患儿于 3个月前出现双下肢皮肤紫癜 ,右大腿内侧大片瘀斑并伴局部肿胀。 2个月前症状加重 ,外院以“特发性血小板减少性紫癜”给予大剂量丙种球蛋白及皮质激素治疗。入院前 3d下肢症状及出血倾向加重 Cases 1. Children, 7 months, mainly due to skin ecchymosis with right leg weakness 3 months in June 2001 admitted. Children with purpura on both lower extremities 3 months ago, the vast area of ​​the right thigh ecchymosis and with local swelling. Two months ago, the symptoms were aggravated. The hospital was given “high doses of gamma globulin and corticosteroids for idiopathic thrombocytopenic purpura.” 3d lower extremity symptoms and bleeding tendency before admission