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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Primary Intracranial Sarcoma, Dicer 1 Mutant | 1E1 Primary Intracranial Sarcoma, Dicer 1 Mutant (Case 1) GFAP 20X
1E1,2 GFAP (1E1) and Olig2 (1E2) fail to stain any tumor cells.