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Washington University Experience | NEOPLASMS (EMBRYONAL) | Medulloblastoma, Histologically Defined | Classic Subtype | 2B3 Medulloblastoma (Case 2) N15 H&E WM
2B3-5 In the cerebellum, though grossly not readily apparent, the tumor extensively involves the leptomeningeal surface, cortical layer, and white matter with evidence of “re-entry phenomenon”. The tumor cells are intermixed with patchy treatment-related changes (s/p surgery, laser ablation, and chemoradiation).
