患儿,女,47天,因全身皮肤硬结进行性增多1月余入院。患儿于1月前,面部出现4～5枚黄豆大小红色斑丘疹,次日面部斑丘疹增多,胸腹部也呈散在分布。5天后皮疹隆起,形成暗红色硬结,少数融合成片,渐向四肢扩展。伴纳差、易哭闹、精神萎。体检:神清,精神萎靡,全身皮下可触及黄豆蚕豆大小紫红色硬结,无压痛。颌下 Children, women, 47 days, due to systemic skin induration increased more than 1 month admitted to the hospital. The children had 4-5 soy-sized red maculopapular papules on the face before January, and the number of facial papules increased on the following day. The chest and abdomen were also scattered. After 5 days, the rash erupted, forming a dark red induration, and a few fused into a sheet, gradually extending to the limbs. Accompanied by bad, easy to cry, mental wilt. Physical examination: Shen Qing, apathetic, subcutaneous skin can touch the size of soybean bean fuchsia induration, no tenderness. Submandibular