Hironori Haga

Cutaneous IgG4 ‐Related Disease Accompanied by Granulomatous Vasculitis: A Case Report

ABSTRACT IgG4‐related disease (IgG4‐RD) is a systemic fibroinflammatory disorder characterized by dense infiltration of IgG4‐positive plasma cells, fibrosis, and elevated serum IgG4 levels. Although various cutaneous manifestations of IgG4‐RD have been described, and vasculitic c...