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Washington University Experience | NEOPLASMS (MENINGIOMA) | Chordoid | 1B2 Meningioma, anaplastic, chordoid (Case 1) A14 H&E chordoid area 20X
8B2-5 Minimal whorled architecture is present and most areas take on a chordoid arrangement. Areas of hypercellularity and necrosis are seen. Tumor cells have large, highly pleomorphic nuclei with prominent nucleoli. The extracellular matrix has a chordoid appearance, with occasional cells showing vacuolated cytoplasm. The mitotic rate is high with up to 31 mitoses/10HPF.
