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Washington University Experience | MISCELLANEOUS | Idiopathic Hypertrophic Pachymeningitis (IgG4 Disease) | 7D6 IgG4 disease (Case 7) CD163 20X
There are abundant epithelioid histiocytes forming vague granulomas with scattered multinucleated giant cells and surrounding areas of necrosis as stained with the lineage specific marker CD163 (7D6). (CD163 IHC).
