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Washington University Experience | NEOPLASMS (METASTASES) | Microscopic | 73A2 Metastasis, lung, squamous (Case 73) H&E 40X 1
H&E sections show a metastatic carcinoma with keratinizing squamous differentiation. Some areas exhibit vague pseudopapillary features. The metastatic carcinoma demonstrates a pushing border with adjacent brain parenchyma. There is multifocal inflammatory infiltration at the carcinoma-brain interface.
