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Washington University Experience | NEOPLASMS (GLIAL) | Glioblastoma, microscopic findings | 3A2 GBM (Case 3A1) H&E WM

It is unusual, but not unheard of, for GBM to have a sharp border, in this case likely following subarachnoid seeding. Notice that infiltration is, however, present at the neck of the growth. (H&E)

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