Table of Contents
Washington University Experience | NEOPLASMS (NON-GLIAL NON-NEURONAL) | Choroid plexus papilloma | 6B2 Choroid Plexus Papilloma (Case 6) H&E 2.jpg
6B2-4 The histopathology is composed of cuboidal to columnar epithelium surrounding fibrovascular cores. There are scattered calcifications. The tumor has a few small areas with a solid-growth pattern where the papillary architecture is disrupted, but this is a very minor component. There is no necrosis or significant hypercellularity. The tumor cells lack cellular pleomorphism. Mitotic figures are infrequently found at less than 1 mitosis per 10 consecutive high powered [40x objective] fields.
