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Washington University Experience | NEOPLASMS (PINEAL) | Papillary Tumor Pineal Region (PTPR) | 5E Papillary Tumor Pineal Region (Case 5) Ki67 2.jpg
The Ki-67 labeling index is very low. (Ki67 IHC) ---- Ancillary data (not shown): The tumor cells are negative for epithelial membrane antigen, CK20, and TTF-1.
