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Washington University Experience | NEOPLASMS (MENINGIOMA) | Brain Invasion | 10A2 Meningioma, brain invasion (Case 10) H&E WM 2
This meningothelial neoplasm has a solid growth pattern and is arranged in lobules and whorls with prominent brain invasion. Necrosis and other atypical features are not identified. The tumor cells are syncytial without distinct cell borders, and they have abundant eosinophilic cytoplasm. Mitotic figures are infrequent (<1/10HPF).