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Rheumatoid factor (RF) test and what it means

Medically reviewed by Steffini Stalos, DOKey TakeawaysA rheumatoid factor test checks for an antibody that can be a marker for rheumatoid arthritis. It is one part of diagnosis.Not everyone with a ...
Rolling Out

Facts about rheumatoid factor tests every adult should know

When persistent joint pain strikes, the search for answers often leads to a crucial diagnostic tool: the rheumatoid factor test. This relatively quick blood analysis serves as a window into the immune ...
Medscape

High Rheumatoid Factor Is a Red Flag, Even in the Healthy

September 7, 2012 — Elevated rheumatoid factor (RF) levels in healthy patients may be a strong predictor of future rheumatoid arthritis (RA), according to data from a prospective cohort study ...
European Medical Journal

Epstein–Barr Virus Antibodies Correlate With RA Activity

RA patients positive for anti-EBV EA-DR IgG antibodies show higher ACPA levels and increased disease activity, suggesting a ...
Medscape

Incidence of Melanoma and Other Malignancies Among Rheumatoid Arthritis Patients Treated With Methotrexate

Arthritis Care Research News Alerts. 2008;59(6):794-799. A chronic, inflammatory disease of unknown origin, rheumatoid arthritis (RA) affects about 1 percent of adults worldwide. Marked by joint ...