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Washington University Experience | NEOPLASMS (NON-GLIAL NON-NEURONAL) | Choroid plexus papilloma | 3A2 Choroid Plexus Papilloma (Case 3) H&E 5
3A2,3 There are fronds covered by a single layer of uniform columnar epithelial cells with round to oval basally situated monomorphic nuclei. Mitotic figures are not easily identified. No necrosis is seen.