what is ipmn
A Dr. John A. Chabot , Endocrinology Diabetes & Metabolism, answered on behalf of Columbia University Department of Surgery. Intraductal Papillary Mucinous Neoplasms (IPMNs) are a special type of abnormal tumor in the pancreas that have been identified as common precursors to pancreatic cancer. IPMNs are called mucinous because they produce large amounts of mucus within the pancreatic ducts. This mucus can clog and enlarge the ducts, sometimes causing pain and jaundice.