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Washington University Experience | NEOPLASMS (GLIAL) | Glioblastoma, primitive neuronal component | 4D2 GBM with PNET features (Case 4) Ki67 1.jpg
Reactivity for proliferation marker Ki67 (MIB-1 antibody) stains approximately 70% of PNC-like tumor cell nuclei and ~40% of GBM-like nuclei (Ki67 IHC)
