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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, clear cell | 1D1 Ependymoma w clear cell areas (Case 1) EMA 2

1D1-4 There is patchy reactivity with EMA in membranous, dot-like and vacuolar staining patterns. D2-40 dot-like positivity was also seen. The Ki-67 proliferation rate is ~5.1% (not shown). ---- Comment: The overall findings are consistent with an ependymoma (WHO grade II).

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