Case Report: Diagnostic challenges in VEXAS syndrome with novel ultrastructural lung findings: IgG4-RD and vasculitis as relevant differential diagnoses.
VEXAS syndrome is a rare, adult-onset autoinflammatory disorder caused by somatic mutations in the UBA1 gene. Patients may present with symptoms similar to IgG4-related disease (IgG4-RD) or systemic vasculitis. We report the case of a 70-year-old man who presented with periorbit…