1病例资料患儿男,3岁4个月。主诉发热28d,昏迷5d。患儿入院前28d出现发热,体温最高39.7℃,无咳喘,无皮疹,无抽搐,无头痛及呕吐,先后就诊于当地多家医院,多次进行血常规、血培养及X线胸片检查示未见异常,PPD(-),均诊断呼吸道感染或病毒感染,给予阿奇霉素、病毒唑等常规抗感染治疗,患儿体温无明显下降趋势。转诊各院期间,早 1 cases of children with children, 3 years and 4 months. Chief complaint fever 28d, coma 5d. There was no fever, no rash, no convulsions, no headache and no vomiting. She visited several local hospitals and performed blood tests, blood culture and X-ray examination many times Showed no abnormalities, PPD (-), were diagnosed respiratory infections or viral infections, given azithromycin, ribavirin and other conventional anti-infective therapy, no significant drop in body temperature in children. Referral to the hospital period, early