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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, myxopapillary | 10C2 Ependymoma, myxopapillary (Case 10) GFAP 3
Immunohistochemistry for glial fibrillary acid protein (GFAP) highlights the cytoplasm processes of tumor cells surrounding vessels along with a "clear zone" in the immediate perivascular tissue, consistent with a fibro-collagenous zone.