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Updated: Jun 17, 2025

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
A Rare Case of Leukocytoclastic Vasculitis Associated With Infliximab
Angela Wu1, Danielle Brown2, Uni Wong2,3
1Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland.
Abstract:
Infliximab is a chimeric monoclonal antibody to tumor necrosis factor-α used commonly in several autoimmune conditions including Crohn's disease. We present a case of a 33-year-old man with inflammatory ileocolonic Crohn's disease who developed biopsy-proven leukocytoclastic vasculitis (LCV) exacerbated by a rechallenged dose of infliximab after years of tolerating the drug. To our knowledge, this is the first reported case of infliximab-associated LCV that occurred years after initiation of the drug. This case highlights that LCV can be a potential adverse reaction of infliximab, and health-care providers should consider a change in therapy.
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