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Arthritis and Rheumatism

RA in the Knees



Can RA start in the knees of someone 35 years old?


Yes. While the peak incidence of diagnosis is typically older than the age of 35, it would not be considered rare to diagnose Rheumatoid Arthritis (RA) in someone who is 35 years of age. The knees are commonly involved in RA.

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Response by:

Raymond  Hong, MD, MBA, FACR Raymond Hong, MD, MBA, FACR
Formerly, Assistant Professor of Medicine
School of Medicine
Case Western Reserve University