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Washington University Experience | NEOPLASMS (GLIAL) | Glioblastoma, granular cell type | 4E GBM, granular cell (Case 4) CD163 20X A
4E1-3 CD163 immunostain is a histiocyte lineage-specific marker and fails to stain granular tumor cells which are astrocytic-line elements not histiocytes (CD163 IHC).
