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Washington University Experience | NEOPLASMS (MENINGIOMA) | Rhabdoid | 12A2 Meningioma, rhabdoid WHO ungraded (Case 12) H&E 7.jpg
Tumor cell morphology is predominantly rhabdoid; round to oval nuclei bear an open chromatin pattern and a prominent belly of eosinophilic cytoplasm. Notably, nucleoli are not especially prominent. In addition, mitotic activity is only rare.