例1:患者女性,20岁,学生。主因间断发热,关节疼痛1年,加重2个月于1991年12月入院。缘自1年前因受凉出现双膝关节疼痛,数日后出现发热,测体温为38℃,在学校卫生所就诊,按“风湿性关节炎”给予阿司匹林及布洛芬治疗,10天后症状完全缓解。此后于劳累、受凉后症状复发,曾多处就诊,均诊为“风湿性关节炎”,间断服用布洛芬等药物症状可暂时好转。入院前2个月出现全身大关节对称性、游走性疼痛,院外应 Example 1: Female patient, 20 years old, student. The main cause of intermittent fever, joint pain for 1 year, increased 2 months in December 1991 admitted. Since a cold coexists with knee pain one year ago, fever occurred a few days later. The body temperature was 38 ° C. At school clinics, aspirin and ibuprofen were given as “rheumatoid arthritis” and the symptoms were completely relieved 10 days later . Since then tired, cold symptoms recurrence, had multiple visits, were diagnosed with “rheumatoid arthritis”, intermittent use of drugs such as ibuprofen can temporarily improve the symptoms. 2 months before admission, the body joints symmetry, migratory pain, the hospital should be