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What is a Rheumatoid factor?
Michele Meltzer, MD
Thomas Jefferson University, Philadelphia, PA

Date Added: 05/22/13

A rheumatoid factor is an antibody that is put out in the blood and it's nonspecific. It's seen in states of chronic inflammation and that's why I said that we can see it not only in rheumatoid arthritis, we can see it in, let's say someone who's got tuberculosis, maybe somebody who's got hepatitis...
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Dr. Michele Meltzer, MD, joined the staff of Thomas Jefferson University in 2007. She is currently working with ILAR (International League of Associations for Rheumatology) East Africa to improve opportunities to learn about rheumatic disease in Africa as well as India. She has been active in rheumatology professional societies including the Philadelphia Rheumatism Society and the American College of Rheumatology.
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