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Washington University Experience | NEOPLASMS (GLIAL) | Subependymal Giant Cell Astrocytoma (SEGA) | 7C SEGA (Case 7) GFAP 40X
By immunohistochemistry, the neoplastic cells show widespread positivity for GFAP. ---- Ancillary studies: There is patchy weak reactivity for synaptophysin. The Ki-67 labeling index is low.