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Washington University Experience | NEOPLASMS (MENINGIOMA) | Chordoid | 6B3 Meningioma, atypical WHO 2 (Case 6) focal chordoid H&E 2a.jpg
A higher magnification image. ---- Progesterone receptor is strongly positive in most of the tumor cell nuclei. ---- Comment: The morphological and immunohistochemical features are consistent with those of an atypical meningioma, WHO Grade 2.
