The synovial biopsy.
D001168:Arthritis / Q000209:etiology; D001170:Arthritis, Infectious / Q000175:diagnosis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis; D001706:Biopsy; D006073:Gout / Q000175:diagnosis; D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis* / Q000473:pathology; D007596:Joints / Q000293:injuries; D009369:Neoplasms / Q000175:diagnosis; D010003:Osteoarthritis / Q000175:diagnosis; D013583:Synovial Membrane / Q000473:pathology*; D013585:Synovitis / Q000175:diagnosis