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Washington University Experience | NEOPLASMS (NON-GLIAL NON-NEURONAL) | Choroid plexus papilloma | 13B2 Choroid Plexus Papilloma, atypical (Case 13) H&E 4
13B2,3 Mitotic activity is elevated (>2/10 HPF) in multiple foci and focally reaching 6/10 HPFs. No nuclear pleomorphism or definitive solid growth pattern are seen.
