Rheumatoid Factor (RF) which is an anti-IgG factor is found in the serum of about 80% of patients with Rheumatoid Arthritis and is present in high titre frequently in patients… Click to show full abstract
Rheumatoid Factor (RF) which is an anti-IgG factor is found in the serum of about 80% of patients with Rheumatoid Arthritis and is present in high titre frequently in patients with relatively severe disease. However, patients with other chronic inflammatory diseases may also have RF in the serum. Rheumatoid arthritis usually causes inflammation at symmetrical joints.1 In majority of cases the proximal inter-phalangeal joints, metacarpo-phalangeal joints of the hands and the wrists are commonly involved. Other major contenders likely to induce arthritis are, infecting agents such as herpes virus, rubella virus, Epstein-Barr virus and mycoplasma.2
               
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