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Washington University Experience | NEOPLASMS (GLIAL) | Glioblastoma, adenoid pattern | 15F1 GBM, adenoid type (Case 15) area A Ki67 4.jpg
15F1,2 The proliferative index is especially elevated in adenoid areas (80-90%). Elsewhere, in the more conventional-appearing regions of glioblastoma, the index of proliferation is approximately 50-60%. (Ki67 IHC)