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Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 8F1 Brain (Case 8) A2 IgG 20X
8F1,2 The area shown in image 8E1 immunostained for IgG (8F1) and IgG4 (8F2). IgG4 immunoreactivity is approximately 30% and the highest number of IgG4 for 40HPF is >60.
