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Washington University Experience | NEOPLASMS (MENINGIOMA) | Rhabdoid | 3B3 Meningioma, atypical w rhabdoid features (Case 3) H&E area A 40X.jpg
Among areas with angiomatous and transitional features are many sheeted lobules with rhabdoid cytology, i.e., epithelioid cells with eccentric, eosinophilic, finely fibrillar whorled inclusions and round-to-oval nuclei with open coarsely-speckled chromatin involving a slight majority of the tumor volume. Mitotic figures are present at generally low density, ranging only focally up to 3/10HPF.
