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Washington University Experience | NEOPLASMS (PINEAL) | Papillary Tumor Pineal Region (PTPR) | 2C1 Papillary Tumor of the Pineal Region (Case 2) CK8-18 2.jpg
2C1,2 Immunohistochemically stained sections show moderate to strong cytoplasmic reactivity for cytokeratin 8/18 in the majority of tumor cells.
