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Washington University Experience | NEOPLASMS (NON-GLIAL NON-NEURONAL) | Choroid Plexus Carcinoma (CPC) | 11A4 CPC (Case 11) H&E 5 (normal adjacent CP

11A4 An adjacent more normal appearing choroid plexus was admixed with the tumor (H&E) ---- Immunohistochemistry The tumor cells show rare focal cytoplasmic positivity for cytokeratin and S100 protein, and frequent apical membrane positivity for epithelial membrane antigen (EMA). They were negative for GFAP.

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