Gastritis Archive

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Zollinger-Ellison Syndrome Symptoms, Causes, Treatment

Zollinger-Ellison syndrome (ZES) is characterized by peptic ulcers, diarrhea, and marked gastric acid hypersecretion in association with a gastrin-secreting non–β islet cell endocrine tumor (gastrinoma). The reported incidence of gastrinomas ranges from 0.5 to 4 cases per million of the population per year. ZES is a rare

Helicobacter pylori Infection

Helicobacter pylori is a spiral gram-negative urease-producing bacterium that can be found in the mucus coating the gastric mucosa or between the mucous layer and gastric epithelium. Multiple factors enable the bacterium to live in the hostile stomach acid environment, including its ability to produce urease, which

Helicobacter pylori Gastritis

H pylori is a spiral gram-negative rod that resides beneath the gastric mucous layer adjacent to gastric epithelial cells. Although not invasive, it causes gastric mucosal inflammation with PMNs and lymphocytes. The mechanisms of injury and inflammation may in part be related to the products of two