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Washington University Experience | NEOPLASMS (MENINGIOMA) | Angiomatous | 4C Meningioma, angiomatous (Case 4) CD31
CD31 highlights frequent delicate vessels scattered throughout. ---- Ancillary data (not shown): Immunohistochemical stains show the tumor cells are EMA and PR immunoreactive. Ki-67 (MIB-1 antibody) highlights a proliferation index focally up to 3% in the tumor cells.
