Polyarticular joint disease

Common: Ankylosing spondylitis; Calcium pyrophosphate dihydrate crystal deposition disease; Chondrocalcinosis; Erosive osteoarthritis; Gout; Juvenile chronic arthritis; Osteoarthritis; Psoriatic arthritis; Reiter syndrome; Rheumatoid arthritis
Uncommon: Acromegaly; Alkaptonuria; Amyloidosis; Connective tissue disease; CREST syndrome; Dermatomyositis; Diffuse idiopathic skeletal hyperostosis; Enteropathic arthritis; Familial Mediterranean fever; Hemochromatosis; Hemophilia; HIV-associated arthritis; Infectious arthritis; Jaccoud arthritis; Kashin-Beck disease; Lyme disease; Mixed connective tissue disease; Multicentric reticulohistiocytosis; Neuropathic arthropathy; Polyarteritis nodosa; Regional migratory osteoporosis of the legs; Relapsing polychondritis; Sarcoidosis; Scleroderma; Sjögren syndrome; Smallpox; Sternocostoclavicular hyperostosis; Systemic lupus erythematosus; Transient viral synovitis; Wilson disease