# Zollinger-Ellison syndrome

INSERM

## Source

INSERM. (1999). Orphanet: an online rare disease and orphan drug data base. *Zollinger-Ellison syndrome*. ORPHA:913

Zollinger-Ellison syndrome (ZES) is characterized by severe peptic disease (ulcers/esophageal disease) caused by hypergastrinemia secondary to a gastrinoma resulting in increased gastric acid secretion.