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Washington University Experience | NEOPLASMS (MENINGIOMA) | Rhabdoid | 27F (Case 27) Ki67 C10 40X 2
The Ki-67 labeling index is ~ 4.5%. ---- FISH studies were also performed utilizing probes against BCR, NF2, 1p32, and 1q42. These reveal normal chromosomes 1, 14 and 22 dosages. Deletions of 1p and 14q are more common in high grade meningiomas, but were not seen in this case.
