患儿女,15个月,因双小腿肿胀发紫12小时,于1980年6月19日晚入院。患儿于入院当天上午哭闹不安,其母发现双小腿下1/2至双脚大片淡紫色,3小时后为紫红色。某医院拟诊“过敏性紫癜”、“闭塞性脉管炎”转我院。患儿早产,体质差,常腹泻与消化不良。体检:体温38℃,脉搏160次/分,Ⅱ°营养不良,两小腿下1/2处及双脚弥漫性对称性片状融合紫斑,呈靴状,下肢明显肿胀,趾甲紫,未见伤口。前囱2× Children with children, 15 months, purple swollen double leg 12 hours, on the evening of June 19, 1980 admitted to hospital. On the morning of admission, the child was crying and restless. His mother found large lavender 1/2 to two feet under both legs and fuchsia three hours later. A hospital to be diagnosed “allergic purpura”, “obliterative vasculitis” to our hospital. Children with premature birth, poor health, often diarrhea and indigestion. Physical examination: body temperature 38 ℃, pulse 160 beats / min, Ⅱ ° malnutrition, two feet below the two legs and feet diffuse symmetry Flake fusion purple, was a boot, lower extremity was swollen, toenails purple, no wound . Front chimney 2 ×