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What is Rheumatoid Arthritis: Role of Rheumatoid Factor about?

Rheumatoid factor is an autoantibody directed against IgG that contributes to the disease process in rheumatoid arthritis. A positive RF test supports a diagnosis of RA, though 15% of RA patients test negative. Higher RF levels correlate with worse joint destruction and systemic involvement. RF testing is commonly used to help diagnose RA along with clinical symptoms and imaging, though additional serological tests exist.

Author

Sasa Abass

Language

EN