病例 ,男 ,5岁 ,因反复发热 7个月余 ,腰痛伴跛行 1个月余入院。患儿于 1998年 2月起出现发热 ,体温达 39～ 4 0℃当地医院诊断为“上感”肌注退烧药后 ,体温下降至正常 ,但隔 3～ 4天后又出现发热 ,如此反复 ,伴有精神差 ,轻咳。近 1个月余未出现腰痛 ,右下肢活动受限跛行 ,曾 Case, male, 5 years old, more than 7 months due to repeated fever, low back pain with claudication more than 1 month admitted. Children in February 1998 from the onset of fever, body temperature reached 39 ~ 40 ℃ Local hospital diagnosis of “flu” intramuscular antipyretics, the body temperature dropped to normal, but every 3 to 4 days after another fever, so repeated, With mental retardation, light cough. Nearly 1 month did not appear low back pain, limped right leg activity restricted, had