Rheumatoid factors are antibodies that attach to other antibodies. This may be associated with inflammation. It is a test used to help in the diagnosis of rheumatoid arthritis. However, there are many other conditions associated with a positive rheumatoid factor. These conditions include Sjogre...


I'm a resident in China. I got a patient(male,33yo) with anti-CCP antibody and RF both positive and free of signs and symptoms of RA (actually,he didn't feel any uncomfortable). Tests were repeated and results remained the same. I wonder under what circumstances would the two antibodies be positive without RA?
thanks!