Which physical findings are characteristic of juvenile idiopathic arthritis (JIA)?

Updated: Jul 25, 2019
  • Author: David D Sherry, MD; Chief Editor: Lawrence K Jung, MD  more...
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Answer

Physical findings are important to provide criteria for diagnosis and to detect abnormalities suggestive of alternative etiologies, as well as to indicate disease subtypes. Such findings include the following:

  • Arthritis: Defined either as intra-articular swelling on examination or as limitation of joint motion in association with pain, warmth, or erythema of the joint; physical findings in JIA reflect the extent of joint involvement

  • Synovitis: Characterized by synovial proliferation and increased joint volume; the joint is held in a position of maximum comfort, and range of motion often is limited only at the extremes


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