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Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. [1] It typically results in warm, swollen, and painful joints. [1] Pain and stiffness often worsen following rest. [1] Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the body. [1]
The Systemic Autoimmunity Branch focuses on unraveling the fundamental mechanisms that lead to the development and perpetuation of systemic autoimmune disorders, particularly systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA), and their associated organ damage. By identifying the mechanisms of tissue damage in SLE and RA, the ...
[10] [5] [6] The most common forms are osteoarthritis (most commonly seen in weightbearing joints) and rheumatoid arthritis. [7] Osteoarthritis usually occurs as an individual ages and often affects the hips, knees, shoulders, and fingers. [7] [11] Rheumatoid arthritis is an autoimmune disorder that often affects the hands and feet. [7]
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Rheumatism [2] / ˈ r uː m ə t ɪ z əm / or rheumatic disorders are conditions causing chronic, often intermittent pain affecting the joints or connective tissue. [3] Rheumatism does not designate any specific disorder, but covers at least 200 different conditions, including arthritis and "non-articular rheumatism", also known as "regional pain syndrome" or "soft tissue rheumatism".
Rheumatologists treat arthritis, autoimmune diseases, pain disorders affecting joints, and osteoporosis. [3] There are more than 200 types of these diseases, including rheumatoid arthritis, osteoarthritis, gout, lupus, back pain, osteoporosis, and tendinitis. Some of these are very serious diseases that can be difficult to diagnose and treat.
Juvenile idiopathic arthritis (JIA), formerly known as juvenile rheumatoid arthritis (JRA), [1] is the most common chronic rheumatic disease of childhood, affecting approximately 3.8 to 400 out of 100,000 children. [3]
The sensitivity of RF for established rheumatoid arthritis is only 60 to 70 percent with a specificity of 78 percent. [8] Rheumatoid factor is part of the 2010 ACR/EULAR classification criteria for rheumatoid arthritis. RF positivity combines well with anti-CCP and/or 14-3-3η to inform diagnosis. [9] RF positivity at baseline has also been ...