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Washington University Experience | NEOPLASMS (EMBRYONAL) | ETMR - Embryonal Tumor Multilayered Rosettes | 4A6 ETANTR (Case 4) H&E 3.jpg
They contain small round nuclei with delicate chromatin and variable clear perinuclear halos embedded within a delicate fibrillary matrix, consistent with neuropil. The majority of these tumor cells are cytologically consistent with neurocytes.