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Washington University Experience | NEOPLASMS (EMBRYONAL) | ATRT - Atypical Teratoid Rhabdoid Tumor | 1J4 ATRT (Case 1) INI1 3.jpg
Tumor cells lack INI1 immunoreactivity but tissue sections do show an internal control of non-neoplastic endothelial nuclei. (INI1 IHC)
