患者,男,13岁,因发热、皮疹1d入院。入院前1d患者无明显诱因出现发热,体温39℃左右,无畏寒、寒战,无咳嗽、咳痰,无腹痛、腹泻,发热当晚出现皮疹,伴皮肤瘙痒。体格检查:体温38.8℃,神志清,急性发热面容,头面部、躯干、四肢均可见密集皮疹,有丘疹、水疱疹,口腔上腭黏膜有2枚疱疹,舌面上有枚疱疹,心肺听诊无异常。腹软,无压痛。颈 Patient, male, 13 years old, admitted to hospital due to fever, rash 1d. 1d before admission, there was no obvious incentive for fever, temperature 39 ℃, no chills, chills, no cough, sputum, no abdominal pain, diarrhea, fever rash appeared with the evening, with itchy skin. Physical examination: body temperature 38.8 ℃, conscious mind, acute fever face, head and face, trunk, all visible dense rashes, papules, water blisters, oral mucosa on the mouth have 2 herpes, herpes on the tongue surface, auscultation of cardiopulmonary abnormal. Abdomen soft, no tenderness. neck