rheumatoid factor


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Related to rheumatoid factor: rheumatoid arthritis

rheumatoid factor

n.
Any of several immunoglobulins that are found in the blood serum of many individuals with rheumatoid arthritis and in some individuals with other inflammatory diseases. A test for one or more of these factors is used in diagnosing rheumatoid arthritis.

rheu′matoid fac`tor


n.
an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
[1945–50]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rheumatoid factor - autoantibody that is usually present in the serum of people with rheumatoid arthritis
autoantibody - an antibody acting against tissues of the organism that produces it
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References in periodicals archive ?
Conclusion: The detection of Rheumatoid Factor (RF) is of little utility as a diagnostic tool for concurrent RA in patients of chronic HCV infection because a high percentage of them were having serum RF reactivity.
Analytical performance of the new hemosil d-dimer hs assay that overcomes the rheumatoid factor (RF) interference.
Whole blood glucose, serum urea and creatinine levels, liver function tests (ALT, AST), and rheumatoid factor were normal.
Association of ultrasonographic findings of synovitis with anti-cyclic citrullinated Peptide antibodies and rheumatoid factor in patients with palindromic rheumatism during active episodes.
The presence of RA and OA in patients was diagnosed by Xray, rheumatoid factor, C-reactive protein, and antinuclear antibody test.
To know rate of rheumatoid factor and anti-CCP antibodies positivity in clinically RA (Fulfilling ACR criteria) patients or patients with genetic history of RA with no clinical features at the time of study.
The absence of rheumatoid factor and associated elevation of inflammatory markers are suggestive of psoriatic arthritis; however, 5-16% of patients have low levels of rheumatoid factor and 5% are positive for cyclic citrullinated peptide antibodies.
Compared with a rheumatoid factor concentration of [less than or equal to]100 IU/mL, a concentration [greater than or equal to]100 IU/mL was strongly associated with DVT, with multivariable adjusted hazard ratios of 9.
It is defined as an inflammatory arthritis associated with psoriasis of the skin and/or nails with usually a negative serological test for rheumatoid factor and the absence of rheumatoid nodules.
Further distinguishing this subset is the very rare presence of uveitis, rare ANA positivity, and absent rheumatoid factor.
KEY WORD: Rheumatoid arthritis, anti-CCP, Rheumatoid factor, Sensitivity, Specificity, Positive predictive value, Negative predictive value.
According to the company, one test provides results of 14-3-3eta blood levels, while a comprehensive panel provides results of blood levels of the novel marker as well as the conventional RA markers cyclic citrullinated peptide (CCP) antibodies and rheumatoid factor (RF).

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