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Rheumatoid factor (RF) is the autoantibody that was first found in rheumatoid arthritis. It is defined as an antibody against the Fc portion of IgG and different RFs can recognize different parts of the IgG-Fc. [ 1 ]
[2] While the cause of rheumatoid arthritis is not clear, it is believed to involve a combination of genetic and environmental factors. [1] The underlying mechanism involves the body's immune system attacking the joints. [1] This results in inflammation and thickening of the joint capsule. [1] It also affects the underlying bone and cartilage. [1]
The disease typically presents with joint pain, high fevers, a salmon-pink macular or maculopapular rash, enlargement of the liver and spleen, swollen lymph nodes, and a neutrophil-predominant increased white blood cell count in the blood. [1] Tests for rheumatoid factor and anti-nuclear antibodies are usually negative and serum ferritin is ...
Rheumatoid arthritis patients often have high erythrocyte sedimentation rate (ESR, also known as sed rate) or C-reactive protein (CRP) levels, which indicates the presence of an inflammatory process in the body. Anti-cyclic citrullinated peptide (anti-CCP) antibodies and rheumatoid factor (RF) are two more common blood tests.
Although the associated autoimmune disorders are rare, the signs and symptoms they cause are relatively common. Symptoms may include: arthritis-type joint pain, fatigue, fever, rashes, cold or allergy-type symptoms, weight loss, and muscular weakness. Associated conditions include vasculitis which are inflammation of blood vessels and anemia ...
The two kindergarten students who were wounded in a school shooting in the Northern California community of Palermo remain in critical condition after a successful surgery on Friday, the Butte ...
Rheumatism [2] /ˈruməˌtɪzəm/ 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".
One potential cause of hair loss is a change in hormone levels. While the role of estrogen, the primary female hormone, in human hair growth isn’t totally clear, it may play a protective role ...