4A3 IgG4-Related Hypertrophic Pachymeningitis (AANP 2012 Case 8) H&E 10 | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | MISCELLANEOUS

Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 4A3 IgG4-Related Hypertrophic Pachymeningitis (AANP 2012 Case 8) H&E 10

4A3,4 Hyperplastic collections of arachnoidal cap cells (arrow, 4A3) and at higher magnifications in 4A4. (AANP Diagnostic Slide Session 2012, Case 8)

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Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 4A3 IgG4-Related Hypertrophic Pachymeningitis (AANP 2012 Case 8) H&E 10