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Washington University Experience | NEOPLASMS (MENINGIOMA) | Chordoid | 14C1 Meningioma, chordoid (Case 14) PR-1
14C1,2 By immunohistochemistry, the tumor cells show strong and diffuse nuclear expression of progesterone receptor (14C1); a large number of them are also positive, though with variable intensity, for epithelial membrane antigen (14C2).
