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Washington University Experience | NEOPLASMS (EMBRYONAL) | Medulloblastoma, Histologically Defined | Extensive Nodularity (MBEN) | 6F1 Medulloblastoma, desmoplastic (Case 6) kI67 2X
6F1-3 Ki-67 immunoreactivity ranges from low within the nodules to very high in the internodular areas.