DOI: 10.12890/2025_005061

Exploring ANCA Pathogenicity in Ulcerative Colitis: A Case Report Highlighting the Risk of Progression to ANCA-Associated Vasculitis

Authors

  • Abir Hamid Internal Medicine Department, Hôpital Erasme, Hôpital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium
  • Frederic Vandergheynst Internal Medicine Department, Hôpital Erasme, Hôpital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium
  • Maxime Ilzkovitz Internal Medicine Department, Hôpital Erasme, Hôpital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium

abir.hamid@ulb.be

Keywords

Anti-PR3, ANCA, ANCA-associated vasculitis, ulcerative colitis, diffuse alveolar haemorrhage

Abstract

This case report addresses the association between ulcerative colitis and ANCA vasculitis-associated alveolar hemorrhage. A 20-year-old African woman with a history of ulcerative colitis with high PR3-ANCAs titer presented to the emergency department for chest pain, dyspnea, and hemoptysis in January 2022. A thoracic CT scan and bronchoalveolar lavage were compatible with alveolar hemorrhage. This case emphasizes the pathogenic kinetics of high ANCA titer in ulcerative colitis.

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Chest computed tomography scan: bilateral perihilar ground-glass opacities with condensations in the right lower lobe without any sign of pulmonary embolism

Published

2025-05-05

How to Cite

1.
Hamid A, Vandergheynst F, Ilzkovitz M. Exploring ANCA Pathogenicity in Ulcerative Colitis: A Case Report Highlighting the Risk of Progression to ANCA-Associated Vasculitis. EJCRIM [Internet]. 2025 May 5 [cited 2026 Nov. 3];12(5). Available from: https://ejcrim.com/index.php/ejcrim/article/view/5061

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