gastrinomas

Zollinger-Ellison Syndrome (ZES) stands as a rare yet intricate disorder affecting the gastrointestinal tract, marked by the emergence of gastrin-secreting tumors known as gastrinomas. These tumors, predominantly located in the pancreas or duodenum, trigger an abnormal surge in gastrin production, leading to excessive acid secretion within the stomach. This heightened acid output instigates severe peptic…