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Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 8E5 Brain (Case 8) A2 H&E 20X 5
The underlying brain parenchyma shows numerous non-necrotizing granulomas which are intimately associated with parenchymal vasculature and include crumbs of angionecrosis. (H&E)