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Washington University Experience | NEOPLASMS (MENINGIOMA) | Chordoid | 13B Meningioma, chordoid (Case 13) EMA 2

Immunohistochemistry for EMA highlights the tumor cells. ---- Ancillary data (not shown): Immunohistochemistry for progesterone receptor highlight the tumor cells. Immunohistochemistry for Ki-67 shows few proliferating cells. ---- Chordoid meningiomas represent a relatively aggressive histologic subtype and merit a WHO grade 2 designation.

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