病历摘要患儿男,2岁,于1987年4月23日收住我院外科。5月8日转入心肾和结缔组织病区,于6月2日转入血液病区。患儿于住院前20d 无诱因发热,双膝痛,尚能玩耍,次日自愈。约1周后某夜间,患儿突然哭闹,复诉腿痛,未发现局部红、肿、灼热,遂往当地医院就诊,摄双下肢X 线片,未发现异常。回家服维生素AD、B_1和钙片。8d后患儿又于夜间发热(38℃),但无寒战,双 Medical records Male children, aged 2, on April 23, 1987 admitted to our hospital surgery. May 8 into heart and kidney and connective tissue ward, on June 2 into the blood ward. Children in the hospital 20d without incentive fever, knee pain, still able to play, the next day heal. About one week later one night, the child suddenly crying, complaining of leg pain, and found no local red, swollen, burning, then went to the local hospital for treatment, both lower extremity X-ray film, no abnormalities were found. Go home to take vitamin AD, B_1 and calcium tablets. After 8d, the children became feverish at night (38 ℃), but no chills and double