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Washington University Experience | NEOPLASMS (EMBRYONAL) | Medulloblastoma, Histologically Defined | Extensive Nodularity (MBEN) | 7B3 Medulloblastoma, desmoplastic (Case 7) SYN 2.jpg
Immunohistochemical studies reveal the intranodular tumor cells to be nearly diffusely and strongly positive for synaptophysin, while most of the internodular cells are negative.