Small Vessel Vasculitis Mimicking Inflammatory Bowel Disease

Kaushik Puranam1, Tara A Seibert1, Jeremy D Ward2

  • 1Department of Medicine, Duke University School of Medicine, Durham, NC.

ACG Case Reports Journal
|November 24, 2025
PubMed
Summary

Proteinase 3 (PR3)-antineutrophil cytoplasmic autoantibody (ANCA) vasculitis can present unusually, even with gastrointestinal issues and a penile ulcer. Early diagnosis requires a high suspicion, supported by endoscopic and renal findings, and PR3-ANCA testing.

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