患儿 ,男 ,4岁 ,住本县高寒阴湿地区 ,海拔 3760ｍ ,因发热、咳嗽 3天入院 ,入院前一周因外感来就诊 ,3天前突然出现高烧 ,体温 39.5℃ ,伴咳嗽、腹痛、腹泻 ,曾在当地就诊未见好转 ,来本院门诊 ,以“发热待查”收住。既往体健 ,于两年前左肩部、双侧肋骨、双下肢、胫骨近端多 Child, male, 4 years old, live in the alpine area of ​​the wet and cold, 3760m above sea level, due to fever, cough for 3 days admitted to the hospital one week before admission because of exogenous treatment, 3 days ago suddenly appeared fever, body temperature 39.5 ℃, with cough, abdominal pain , Diarrhea, had seen no improvement in the local treatment, to our clinic, with “fever to be checked” to stay. Past physical health, left shoulder in two years ago, bilateral ribs, both lower extremities, proximal tibia