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Washington University Experience | NEOPLASMS (NON-GLIAL NON-NEURONAL) | Choroid plexus papilloma | 12D1 Choroid plexus papilloma, atypical (Case 12) GFAP 2
12D1,2 The tumor shows patchy positivity for GFAP. Large immunoreactive areas in 12D1 are invaded gliotic brain. (GFAP IHC)
