分类 Classification 全身型 systemic-onset disease 多关节型:5个或以上关节受累 Polyarthritis: 5 or more inflamed joints 少关节型:5个以下关节受累 Oligoarthritis: <5 inflamed joints分类 Classification 全身型 systemic-onset disease 多关节型::5个或以上关节受累 Polyarthritis:5 or more inflamed joints 少关节型:5个以下关节受累 Oligoarthritis: < 5 inflamed joints