Which joint findings are characteristic of Henoch-Schönlein purpura (IgA vasculitis)?

Updated: Oct 28, 2020
  • Author: Rajendra Bhimma, MBChB, MD, PhD, DCH (SA), FCP(Paeds)(SA), MMed(Natal); Chief Editor: Craig B Langman, MD  more...
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Answer

Arthralgia is the presenting feature in as many as 25% of cases. Joints may be swollen, tender, and painful. Warmth, erythema, and effusions are not typically associated with IgAV. The knees and ankles are most commonly affected. On rare occasions, symptoms involve the fingers and wrists. Findings are transient but can occur again during active disease. The joints are not permanently deformed.


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