Intraductal papillary mucinous neoplasm of the ileal heterotopic pancreas in a patient with hereditary non-polyposis colorectal cancer: A case report

Figure 3 Microscopic findings. A: Microscopic examination shows dilated ducts [hematoxylin-eosin (HE) stain, original magnification × 40] with B: pancreas acini (HE stain, original magnification × 100); C: The ducts are filled with papillary neoplasm. The epithelium is covered with tall columnar cells that have abundant intracytoplasmic mucin (HE stain, original magnification × 100); D: Some of the epithelial cells have enlarged nuclei with nucleoli and irregular nuclear membrane consistent with high grade nuclear atypia (HE stain, original magnification × 400).