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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, tanycytic | 3D Ependymoma, tanycytic (Case 3) Ki67 2
The Ki-67 proliferative index is low. ---- Other stains (not shown): The epithelial membrane antigen is negative in the tumor cells, with the exception of rare dot-like cytoplasmic positivity. The CD99 shows focal positive staining of tumor cells.
