The Classification Of Rheumatic Diseases CTD Degenerative: Osteoarthritis Crystal-induced: Gout o rheumatoid arthritis Septic/infectious 口 Lupus erythematosus Congenital and familial disorders a Sjogrens syndrome affecting Joints 口 Scleroderma 口 Marfan syndrome 口 Polymyositis a Ehlers-Danlos syndrome 口 Dermatomyositis SPA( seronegative 口 Vasculitis spondyloarthropathies): d Adult onset still disease ankylosing spondylitis(AS), reactive a Mixed connective tissue arthritis(ReA), psoriatic disease arthritis(PsA), arthropathy of inflammatory bowel disease, undifferential spaThe Classification Of Rheumatic Diseases  CTD  Rheumatoid arthritis  Lupus erythematosus  Sjögren's syndrome  Scleroderma  Polymyositis  Dermatomyositis  Vasculitis  Adult onset still disease  Mixed connective tissue disease  Degenerative：Osteoarthritis  Crystal-induced：Gout  Septic/infectious  Congenital and familial disorders affecting Joints  Marfan syndrome  Ehlers-Danlos syndrome  SPA（seronegative spondyloarthropathies）： ankylosing spondylitis(AS), reactive arthritis(ReA), psoriatic arthritis(PsA), arthropathy of inflammatory bowel disease, undifferential SPA