label: Pancreatic Intraductal Tubulopapillary Neoplasm
label_lc: pancreatic intraductal tubulopapillary neoplasm
description: An epithelial neoplasm that arises from the exocrine pancreas characterized by the formation of tubular structures, high grade dysplasia, and ductal differentiation. Grossly, it is characterized by the presence of intraductal nodular masses. Morphologically, there are nodules of tubular glands and occasional papillary structures growing in dilated ducts.  There is no significant mucin production. Signs and symptoms include epigastric pain, weight loss, vomiting, steatorrhea, and diabetes mellitus.