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Washington University Experience | NEOPLASMS (METASTASES) | Meningeal | 2B1 Metastasis, lung, leptomeningeal (Case 2) H&E 4
2B1,2 Sections show poorly-differentiated malignant cells arranged in glands and perivascular pseudorosettes infiltrating brain parenchyma from the subarachnoid space with background necrosis.
