What are the signs and symptoms of psoriatic juvenile idiopathic arthritis (JIA)?

Updated: Jul 25, 2019
  • Author: David D Sherry, MD; Chief Editor: Lawrence K Jung, MD  more...
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Psoriatic arthritis in children is usually mild. Onset of arthritis precedes that of psoriasis in approximately half of children.

Characteristics of psoriatic arthritis include the following:

  • Monoarticular arthritis (50% of children)

  • DIP joint involvement (50%)

  • Tenosynovitis (30%)

  • Nail involvement(71%) - pitting is the most common but least specific finding

  • Disordered bone growth with resultant shortening (47%)

  • Sacroiliitis (28%)

For further discussion of this disorder, see Psoriatic Arthritis.

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