为了便于对儿童时期关节炎的免疫遗传学、流行病学、转归和治疗方案实施等方面进行国际间协作研究 ,国际风湿病学联盟儿科常委专家组举行了三次会议进行讨论 ,将儿童时期不明原因的关节肿胀持续 6周以上这类关节炎的分类统一起来 ,定名为幼年特发性关节炎 (ｊｕｖｅｎｉｌｅｉ In order to facilitate international collaborative research on immunological genetics, epidemiology, outcomes and treatment programs for childhood arthritis, the ISU Expert Group on Pediatric Standing Committee held three meetings to discuss the issue of childhood Causes of joint swelling for more than 6 weeks The classification of such arthritis unified, named juvenilei juvenilei