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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Lymphoma, primary | 1A3 Lymphoma (Case 1) H&E 40X 2
1A3,4 The tumor is composed of cells with large, irregular nuclei with coarse chromatin and prominent nucleoli. Numerous mitotic figures involving atypical cells and apoptotic debris are present. The brain parenchyma shows reactive astrocytosis.