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by their size and involvement with the pancreatic ductal system. Most PDACs arise from microscopic pancreatic intraepithelial neoplasia (PanIN), a neoplasm involving pancreatic ducts, which is by definition <5 mm.4 A much smaller...

of lymphoepithelial lesions. These lesions are characterized by basal cell hyperplasia and the presence of intraepithelial lymphocytes. A | 침샘 상피는 침샘을 형성하는 선상 세포, 줄무늬 관과 간관을 형성하는 관상 세포(기저 및 내강 세포...

CD4+ T cells are consistently found in the small intestine of celiac disease patients, where they activate intraepithelial CD8+ T cells (IELs) via the production of IFN-γ, IL-21 and IL-2 (62). Although these IELs are thought to largely...

60 Open in a separate window The intensity of the inflammatory process in CD varies from an increased content of intraepithelial lymphocytes in the epithelium of the villi of the small intestine to atrophy of the mucous membrane. Due to...