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Washington University Experience | NEOPLASMS (EMBRYONAL) | ETMR - Embryonal Tumor Multilayered Rosettes | 4B1 ETANTR (Case 4) SYN 1.jpg
4B1,2 Regions of the tumor resembling neurocytoma show strong diffuse immunoreactivity for synaptophysin, with patchy processes also staining for neurofilament protein. Islands of primitive tumor cells are typically unstained.
