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Washington University Experience | NEOPLASMS (GLIAL) | Subependymal Giant Cell Astrocytoma (SEGA) | 2E Astrocytoma, SEGA (Case 2) Area A Ki67 20X
Ki-67 proliferation index is ~4.8%, some of which may be contributed by scattered chronic inflammatory cells. ---- Ancillary studies (not shown) A CD34 stain highlights the vascular network but lacks cells with highly ramified cytoplasmic processes of dysplasia and ganglioglioma. ---- In this case we recommended further clinical and radiological correlation to rule out tuberous sclerosis since SEGA, by itself, can be a "forme-fruste" of the disease.
