Zollinger-Ellison Syndrome Gastrin-secreting tumors cause excessive stomach acid production.
Tests
Secretin stimulation test confirms diagnosis with higher gastrin.
Endoscopy reveals ulcers, hypertrophic gastric folds.
Abdominal pain and diarrhea.
Weight loss, nausea, and vomiting.
Proton pump inhibitors.
Surgical removal of gastrinomas.
Regular monitoring for metastasis.