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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, myxopapillary | 7D7 Ependymoma, myxopapillary, anaplastic fx (Case 7) - endothel hyp H&E 2A.jpg
Endothelial hyperplasia is noted within some tumor nodules (arrows, 7D7). The nodules of tumor tissue generally appear well-circumscribed, surrounded by thick, dense, focally calcified, hypocellular, hyalinized fibrous stroma. However, the stroma does show infiltration by individual and small clusters of tumor cells in some areas.
