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Washington University Experience | NEOPLASMS (MENINGIOMA) | Anaplastic | 14D Meningioma, anaplastic (Case 14) Ki67 1.jpg
The proliferation marker Ki67 reaches 33%. ---- Comment: The overall histomorphologic and immunophenotypic characteristics are diagnostic of an anaplastic meningioma, WHO grade III. ---- FISH showed monosomy of chromosome 9 in 35.7% of tumor cells which is associated with poor survival
