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Washington University Experience | NEOPLASMS (EMBRYONAL) | ETMR - Embryonal Tumor Multilayered Rosettes | 6A3 ETANTR, medulloepithelioma (Case 6) H&E 2.jpg
Many areas in the neoplasm have an appearance consisting of a greater degree of atypia, with larger cells, more pleomorphic nuclei, scattered prominent nucleoli, multinucleation, frequent mitotic figures, and apoptotic debris, a pattern resembling neural tube.