In this disease, large amounts of gastrin are produced by gastrinoma cells ... which then produces the symptoms associated with ZES.

Signs and symptoms of an insulinoma usually include confusion ... Zollinger-Ellison syndrome (ZES) is a rare digestive disease caused by a tumor (gastrinoma) in the pancreas or small intestine. These ...

The estimated incidence of ZES in the United States is only about 1 case per million individuals per year; because of the rarity of the disease, the average interval between onset of symptoms and ...