How is Zollinger-Ellison (Z-E) syndrome diagnosed?

Zollinger-Ellison syndrome occurs when a small tumor called a gastrinoma forms in the pancreas or small intestine. This tumor releases gastrin, a hormone that prompts the stomach to create more acid than necessary. To diagnose Zollinger-Ellison syndrome, several laboratory and imaging studies need to be done. Studies include a fasting check of gastrin levels on at least three occasions, MRI and somatostatin receptor scintigraphy -- a test to detect tumors.

Continue Learning about Digestive Diseases

Digestive Diseases

Digestive diseases, also known as gastrointestinal diseases, are disorders that affect your esophagus, stomach and small and large intestines. The symptoms of digestive diseases vary widely depending on which part of your digestiv...

e system is affected. Generally symptoms can be blood in your stool, a change in bowel habits, pain, weight loss or heartburn that is not relieved by antacids. See you doctor if you have any of these signs of digestive disease.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.