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Polyarthritis is often caused by an auto-immune disorder such as rheumatoid arthritis, psoriatic arthritis, and lupus erythematosus, or other inflammatory rheumatic diseases, like crystal arthropathies. It can also be caused by cancer or various medications. [1] Another cause of polyarthritis is infection, which may be viral or bacterial. [1]
Arthritis is a common acute or chronic condition affecting the joints and surrounding tissues. It’s estimated that roughly 18 percent of American adults have some form of arthritis. And about 44 ...
Arthritis is the most common cause of disability in the United States. More than 20 million individuals with arthritis have severe limitations in function on a daily basis. [3] Absenteeism and frequent visits to the physician are common in individuals who have arthritis.
Other rheumatological disorders that can cause the features typical for RS3PE include late onset (seronegative) rheumatoid arthritis, acute sarcoidosis, ankylosing spondylitis and other spondyloarthropathies such as psoriatic arthropathy, mixed connective tissue disease, chondrocalcinosis and arthropathy due to amyloidosis. [6] [9]
It is not always certain why arthritis of the knee develops. [citation needed] The knee may become affected by almost any form of arthritis, including those related to mechanical damage of the structures of the knee (osteoarthritis, and post-traumatic arthritis), various autoimmune forms of arthritis (including; rheumatoid arthritis, juvenile arthritis, and SLE-related arthritis, psoriatic ...
Palindromic rheumatism is a disease of unknown cause. It has been suggested that it is an abortive form of rheumatoid arthritis (RA), since anti-cyclic citrullinated peptide antibodies (anti-CCP) and antikeratin antibodies (AKA) are present in a high proportion of patients, as is the case in rheumatoid arthritis. [6]
Hepatitis C – RA-like symmetrical small-joint polyarthritis may occur in the context of this condition. Hepatitis C may also induce rheumatoid factor auto-antibodies. Rarer causes which usually behave differently but may cause joint pains: [89] Sarcoidosis, amyloidosis, and Whipple's disease can also resemble RA.
The cause of Felty's syndrome is unknown, but it has been found to be more common in those with chronic rheumatoid arthritis. Some patients share the HLA-DR4 serotype. This syndrome is mostly present in people having extra articular manifestations of rheumatoid arthritis.