What is the significance of involvement of a few small joints in the hands in juvenile idiopathic arthritis (JIA)?

Updated: Jul 25, 2019
  • Author: David D Sherry, MD; Chief Editor: Lawrence K Jung, MD  more...
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Involvement of a few small joints in the hands is atypical and suggests eventual development of polyarticular JIA or psoriatic arthritis. Dactylitis, or diffuse tenosynovitis of a finger or toe, also called a "sausage digit," is more typical of psoriatic arthritis or enthesitis-related arthritis.

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