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Washington University Experience | NEOPLASMS (GLIAL) | Glioblastoma, adenoid pattern | 15D1 GBM, adenoid type (Case 15) GFAP Area A 1.jpg
15D1-4 A GFAP immunostain is positive in a significant subset of adenoid cells, with more diffuse reactivity in areas of more conventional glioblastoma. Compare 15D1 to 15B1.
