例1,患者女,11岁。因双下肢紫癜、血尿、眼睑水肿2个月余,在当地卫生院治疗后于1998年4月9日入院。病前3天曾患“感冒”。查体:BP13.3/8kPa。双眼睑轻度水肿,咽不红,心肺及腹正常,双下肢陈旧性紫癜,皮疹直径1～4mm,略高出皮面,双侧对称。 实验室检查:尿常规:红细胞++,蛋白++。血小板计数166×10~9/L;血红蛋白130g/L;白细胞12.0×10’/l,淋巴细胞0.34,中性粒细胞0.66。出、凝血时 Example 1, female patient, 11 years old. Due to the lower extremity purpura, hematuria, eyelid edema more than 2 months after treatment in the local hospital on April 9, 1998 admission. 3 days before the disease had a “cold.” Physical examination: BP13.3 / 8kPa. Eyelid mild edema, throat is not red, cardiopulmonary and abdominal normal, double-legged old purpura, rash diameter 1 ~ 4mm, slightly higher than the leather, bilateral symmetry. Laboratory tests: Urine routine: erythrocyte ++, protein ++. Platelet count 166 × 10 ~ 9 / L; hemoglobin 130g / L; leukocyte 12.0 × 10 ’/ l, lymphocyte 0.34, neutrophil 0.66. Out, clotting time