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Washington University Experience | NEOPLASMS (MESENCHYMAL, NON-MENINGOTHELIAL) | Chordoma | 21E1 Chordoma (Case 21) S100 20X 2
21E1,2 The tumor cells are uniformly positive for S100, both in the mucinous (21C1) and the spindle areas (21C2) (S100 IHC),
