Zollinger-Ellison Tumor

These tumors produce high levels of the hormone gastrin.

These tumors cause a hypersecretion of gastric acid that prodices peptic ulcers as a result of a non-beta cell tumor of the pancreatic islets.

Symptoms:

  • Abdominal pain
  • Diarrhea
  • Ulcers in the stomach and small bowel
  • Hematemesis (Vomiting blood), rare
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