1.病例男患,45岁,于1985年8月初开始出现无明显诱因低热、乏力、盗汗、右膝关节痛疼,有时轻微干咳。多次在乡卫生院就诊,按“急性风湿热”、“风湿性关节炎”诊断给予强的松、消炎痛、水杨酸纳及青霉素等治疗3个月,症状无好转,右膝关节酸痛逐渐加重,而来我院门诊。查体:体温37.4℃,呼吸20次/分,脉搏82次/分,血压16.8 1. Case male, 45 years old, beginning in early August 1985 appeared no obvious incentive for fever, fatigue, night sweats, right knee pain, and sometimes mild dry cough. Repeatedly in the township hospital for treatment, according to the “acute rheumatic fever”, “rheumatoid arthritis” diagnosis given prednisone, indomethacin, sodium salicylate and penicillin treatment for 3 months, no improvement in symptoms, right knee pain Gradually increase, come to our hospital. Physical examination: body temperature 37.4 ℃, breathing 20 beats / min, pulse 82 beats / min, blood pressure 16.8