Small Bowel Intussusception due to Metastasized Sarcomatoid Carcinoma of the Lung: A Rare Cause of Intestinal Obstruction in Adults
Pictures of histopathological and immunohistochemical results. (a) Epithelioid and fusiform shaped pleomorphic carcinoma infiltration in segments obtained from the lungs (hematoxylin-eosin, 20x magnification). (b) Submucosal neoplastic infiltration of similar morphology in segments obtained from the small intestines (hematoxylin-eosin, 20x magnification). (c) Strong cytoplasmic staining with cytokeratin in segments obtained from the small intestines (40x magnification). (d) Strong cytoplasmic staining with vimentin in segments obtained from the small intestines (40x magnification).
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