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Washington University Experience | VASCULAR | Vasculitis - PACNS | 1B5 Vasculitis, granulomatous (Case 1) H&E 11.
Some vessels have a simple cuff of lymphocytes while others have a granulomatous infiltrate with epithelioid histiocytes and multinucleated giant cells. The lumen shows variable preservation and is obliterated in some vessels. (H&E)
