Is joint aspiration useful in the diagnosis of rheumatoid arthritis (RA)?

Updated: Feb 07, 2020
  • Author: Howard R Smith, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Joint aspiration and analysis of synovial fluid may be considered, including the following:

  • Gram stain

  • Cell count

  • Culture

  • Assessment of overall appearance

See Workup for more detail.


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