患者男,51岁。因反复发作双下肢关节肿痛3年,再发1天,于2003年6月27日住院。患者近3年来反复出现双侧踝、膝关节游走性肿痛,每年发作累及1~2个关节,服用消炎痛等药物或不经治疗可于1~3天症状缓解。患者症状多在夜间发作,有时夜间发作晨起症状即消退。发病后关节未出现晨僵、畸 Patient male, 51 years old. Due to repeated episodes of lower extremity joint swelling and pain for 3 years, one day recurrence, in June 27, 2003 hospitalization. Patients in the past 3 years repeated bilateral ankle, knee pain and swollen migraine, seizures involving 1 to 2 joints each year, taking indomethacin and other drugs or without treatment in 1 to 3 days to relieve symptoms. Patients with symptoms and more in the night attack, and sometimes the symptoms of morning sickness subsided. After the onset of joint stiffness did not appear, abnormal