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Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 2A2 IgG4-Related Hypertrophic Pachymeningitis (Case 2) H&E 27
2A2,3 Higher magnification image of the dura, leptomeninges and underlying brain exhibiting marked inflammation and fibrosis (H&E)