Which physical findings are characteristic of arthritis in relapsing polychondritis (RP)?

Updated: Dec 06, 2018
  • Author: Nicholas Compton, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

A seronegative nonnodular arthritis develops in 52%-85% of patients. The acute onset of an inflamed joint may mimic a crystal arthropathy.

Most commonly, the arthritis is asymmetric, oligoarticular or polyarticular, nondeforming, and nonerosive. One case of arthritis mutilans has been reported. [30]  Effusions may accompany arthritis and may be noninflammatory or mildly inflammatory.

The ankles, elbow, wrists, proximal interphalangeal joints, metacarpophalangeal joints, and metatarsophalangeal joints are often involved, although any joint may be affected. The costochondral, sternoclavicular, and sternomanubrial joints may be involved.The forefeet are usually spared.


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