Zollinger-Ellison syndrome

Definition of Zollinger-Ellison syndrome

Zollinger-Ellison syndrome

(ZOLE-lin-jer-EH-lih-sun SIN-drome)
A disorder in which tumors of the pancreatic islet cells produce large amounts of gastrin (a hormone), leading to excess acid in the stomach and, possibly, a peptic ulcer (ulcer of the stomach or the upper part of the small intestine).

Source: NCI Dictionary of Cancer Terms