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Washington University Experience | NEOPLASMS (EMBRYONAL) | ATRT - Atypical Teratoid Rhabdoid Tumor | 12E2 ATRT (Case 12) BAF47 2

A stain for INI-1 (BAF47) reveals nuclear immunoreactivity within normal endothelial cells, but loss of expression in tumor nuclei. (INI1 IHC)

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