Table of Contents
Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 6G1 IgG4 Disease Adenohypophysis (Case 6) A2 IgG4 4X
6G1-5 A large subset of plasma cells are also positive with IgG4 immunostain which focally labels >150 plasma cells in a single high-power field and renders an IgG4/IgG ratio of ~40% (202/500 cells by manual count).
