少年性类风湿性关节炎(简称JRA)是一种常见的结缔组织病。其特点为多关节或单关节呈慢性炎症过程,全身症状比较严重,常伴有发热、皮疹、全身淋巴结肿大、肝脾肿大、皮下结节、贫血等,大多数预后较好。但少数患者其关节可萎缩变形,极少数 Juvenile rheumatoid arthritis (JRA) is a common form of connective tissue disease. It is characterized by multi-joint or single joint was chronic inflammatory process, systemic symptoms more serious, often accompanied by fever, rash, generalized lymph nodes, hepatosplenomegaly, subcutaneous nodules, anemia, most of the prognosis is good. However, a small number of patients with its atrophy can be deformed, very few