rheumatoid arthritis (ra) is a systemic autoimmune disease characterized by chronic joint inflammation

medical medicine health hand skeleton disease human diagnosis pain arthritis bone background patient rheumatoid care inflammation symptom joint surgery radiology osteoarthritis injury wrist cartilage therapy ray finger arthritic scan rheumatic thumb synovium dark orthopedic carpal digit carpus panarthritis advanced one boutonniere deformity black rheumatology film erosion