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Washington University Experience | NEOPLASMS (MENINGIOMA) | Chordoid | 12D3 Meningioma, chordoid (Case 12 Alcian Blue 3
Higher magnification of the Alcian blue stain highlights the mucin. ---- Ancillary data (not shown): The Ki-67 proliferative index is moderate to high, focally reaching 8.9%. The histomorphologic features and immunohistochemical staining profile is consistent with a chordoid meningioma, WHO grade 2.
