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Washington University Experience | NEOPLASMS (EMBRYONAL) | ATRT - Atypical Teratoid Rhabdoid Tumor | 6B3 AT-RT (ATRT, Case 6) H&E 3
The tumor cells are large with scant vacuolated to eosinophilic cytoplasm, high nuclear to cytoplasmic ratio, irregular nuclei, and prominent nucleoli. Mitotic activity is brisk.