What is the degree of confidence in the use of had radiographs in the diagnosis of rheumatoid arthritis (RA)?

Updated: Mar 28, 2019
  • Author: Ian Y Y Tsou, MBBS, FRCR; Chief Editor: Felix S Chew, MD, MBA, MEd  more...
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Answer

Answer

RA is indicated on radiographs by the overall pattern and features of joint involvement. Although the presence of bony erosions is typical of RA, erosions are not specific because of the large number of other erosive arthritides. An absence of osteophyte formation and subchondral sclerosis is also indicative of RA rather than osteoarthritis.


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