case_images: PMC8655799_01
case_images: (A, B) Undifferentiated carcinoma (A, hematoxylin and eosin stain, 10 x objective) with diffuse involvement by pleomorphic mononuclear cells, which were positive for cytokeratins AE1/AE3 (B, 10 x objective). (C, D) Malignant mononuclear epithelial cells (C, hematoxylin and eosin stain, 20 x objective) were accompanied by numerous non-neoplastic multinucleated histiocytic cells that were positive for CD68 (D, 20 x objective). (E, F) Well-differentiated ductal adenocarcinoma component (E, hematoxylin and eosin stain, 10 x objective) highlighted by cytokeratin AE1/AE3 immunohistochemical stain (F, 10 x objective).
case_images: pancan.2021.0004_figure1.jpg
case_images: PMC8655799_01_pancan.2021.0004_figure1.jpg
case_images: f1
case_images: Histopathological evaluation of the tumor (Fig. 1) revealed a mostly undifferentiated pancreatic carcinoma composed of malignant pleomorphic mononuclear epithelial cells (A) accompanied by numerous non-neoplastic multinucleated giant cells (C).