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Washington University Experience | NEOPLASMS (NON-GLIAL NON-NEURONAL) | Choroid plexus papilloma | 14E Choroid Plexus Papilloma, atypical (Case 14) Ki67
Ki-67 highlights a proliferative index of 9.4%. Additional Ki-67 on a different block similarly highlights proliferative index focally up to 5-10%. ---- GFAP Immunohistochemistry was slight and patchy (not shown)