病史摘要李姓,男,3岁4个月,大连人。因两下肢不固定性疼痛二月余伴面色苍白一月,于82年12月31日入院。患儿2月前发现跛行,4天后感左膝疼痛,低热38℃左右,查血沉47mm/h,白细胞4,000/mm~3,拟诊“关节结核”,曾作抗痨治疗。6天后热退,但右膝出现疼痛,复查血沉为54mm/h,抗“0”>1250u,再次拟诊“风湿热”给予青霉素、强的松、阿斯匹林等治疗。10天后疼痛一度缓解,但不久膝痛复起,经理 Medical history Abstract Li, male, 3 years old 4 months, Dalian people. Due to the two lower extremities are not fixed pain February fellow pale complexion in January, on December 31, 82 admission. Children with claudication found 2 months ago, left knee pain after 4 days, fever 38 ℃ or so, check the sedimentation rate 47mm / h, white blood cells 4,000 / mm ~ 3, proposed diagnosis of “joint tuberculosis”, had anti-tuberculosis treatment. 6 days after the heat back, but the right knee pain, review ESR 54mm / h, anti “0”> 1250u, re-diagnosed “rheumatic fever” to penicillin, prednisone, aspirin and other treatment. Pain was relieved 10 days later, but soon knee pain recovered, manager