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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Hemangioblastoma | 3D1 Hemangioblastoma (Case 3) GFAP 2
3D1,2 In most areas GFAP shows separation of unstained tumor cells; however, in some atypical cases there may be patches of substantial tumor cell immunoreactivity.