患儿男,13岁。因皮肤结节3个月,反复发热7个月,于1993年z月6日第2次入院。患儿于1992年7月发现左上臂局限性红、肿、热、痛,继而双大腿、左前臂均出现此症状,范围由1cm 逐渐增大到8～9cm。2～3周后转成暗红色,但仍肿、痛、硬,无波动感。双小腿有散在瘀斑。病初体温39～40℃,数天后退至37～38℃之间,持续5～10天,继之反复高热,反复鼻衄,肌肉酸痛,面色进行性苍白,于1992年10月26 Children male, 13 years old. Due to skin nodules 3 months, repeated fever for 7 months, on the 6th of July 1993 2nd admission. Children in July 1992 found the limitations of the left upper arm red, swollen, hot, pain, then double thigh, left forearm, this symptom occurred, the range gradually increased from 1cm to 8 ~ 9cm. 2 to 3 weeks into a dark red, but still swollen, pain, hard, no fluctuations. Double leg with scattered ecchymosis. Disease early temperature 39 ~ 40 ℃, a few days later retreated to 37 ~ 38 ℃ for 5 to 10 days, followed by repeated high fever, repeated epistaxis, muscle soreness, looking pale, in October 1992 26