CTICasesDrug-Induced Necrotizing Granulomatous Arteritis
Imaging findings
Multiple circumscribed subpleural spherical nodules that showed spontaneous resolution over time.
Key takeaways
This case highlights an adverse reaction to Vedolizumab (a monoclonal antibody to integrin), presenting as necrotizing granulomatous arteritis. It mimics sarcoidosis but lacks granulomas in specific subpleural and interlobular regions.
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