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Washington University Experience | NEOPLASMS (EMBRYONAL) | ATRT - Atypical Teratoid Rhabdoid Tumor | 13B6 ATRT (Case 13) H&E 4.jpg
The tumor is a relatively solid, highly cellular neoplasm with areas of necrosis. It is composed of small primitive cells with hyperchromatic oval nuclei. There are also areas with increased pleomorphism in cell size. A significant number of the tumor cells have an epithelioid quality with eccentric bellies of eosinophilic cytoplasm,
