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Washington University Experience | NEOPLASMS (NEURONAL) | Central Neurocytoma | 7G Neurocytoma, central, atypical (Case 7) Ki67 5.jpg
Ki-67 proliferation index is variably elevated (focally reaching ~8.5%). ---- Ancillary studies (not shown): FISH studies did not show 1p/19q co-deletion. ---- Comment: A diagnosis of atypical central neurocytoma, WHO Grade 2 was made. (H&E)