Zollinger-Ellison Syndrome.


Zollinger-Ellison syndrome (ZES) is caused by a gastrin-producing tumor called a gastrinoma, which results in gastric acid hypersecretion. Gastrin stimulates the parietal cell to secrete acid directly and indirectly by releasing histamine from enterochromaffin-like (ECL) cells, and induces hyperplasia of parietal and ECL cells. ZES should be suspected in… (More)


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