Figure 5. Photomicrography of the tumor. A – Alveolar growth of large polygonal cells with clear cytoplasm, uniform round nuclei, and inconspicuous nucleoli (white asterisk), surrounded by a thin fibrous capsule (arrowhead) and normal pancreatic tissue (black asterisk) (H&E, 100x); B–D – The immunohistochemical study shows positivity for CAM 5.2 and CD10, and negativity for synaptophysin.
