Distinctive morphologic finding of multifocal perifollicular concentric granulomas in a lymph node with IgG4 plasmacytosis No … ← Patient Safety Events Among People from Ethnic Minority Backgrounds: A Retrospective Medical Record Review of Australian Cancer Services Distinctive morphologic finding of multifocal perifollicular concentric granulomas in a lymph node with IgG4 plasmacytosis →