Zollinger-Ellison Syndrome
Zollinger-Ellison syndrome (ZES) is a disease consisting of a clinical triad of gastric acid hypersecretion, severe PUD, and gastrin-producing neuroendocrine tumors (NETs; gastrinomas). It derives its name from the the…
Esophagus and Stomach
Peptic Ulcer Disease
Peptic ulcer disease are erosions in the GI mucosa that extend through the muscularis propria. H. pylori is a common cause of peptic ulcer disease and was first elucidated by…