digestive disorders
Overview of Pancreatic Endocrine Tumors
Introduction
The Pancreas is an organ located in the upper part of the abdomen. It produces digestive juices that are secreted into the digestive tract. The pancreas also produces There are two types of pancreatic endocrine tumors: Functioning Nonfunctioning Nonfunctioning tumorsdo not secrete hormones and are not cancerous. These tumors may cause symptoms by blocking the biliary tract or small intestine, by bleeding into the gastrointestinal tract, or by causing a mass in the abdomen. Functioning tumorssecrete large amounts of a particular hormone, causing various syndromes. Some functioning tumors are cancerous. The hormones that may be secreted and their tumor type include ( Insulinoma ) Gastrin ( Gastrinoma ) ( Glucagonoma ) Vasoactive intestinal peptide ( Vipoma ) Excess secretion of these hormones can also occur in a disorder called Multiple Endocrine Neoplasia Syndromes (MEN) . 