" /> Barrett esophagus - CISMeF





Preferred Label : Barrett esophagus;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Barrett metaplasia;

Included titles and symbols : Adenocarcinoma of esophagus;

Description : Barrett esophagus, or Barrett metaplasia, describes the phenotypic change of normal esophageal squamous epithelium to a columnar and intestinal-type epithelium. This metaplastic change is important because patients with Barrett esophagus have an increased risk of esophageal adenocarcinoma. The main cause of Barrett metaplasia is gastroesophageal reflux (GER; 109350). The retrograde movement of acid and bile salts from the stomach into the esophagus in this disease causes prolonged injury to the esophageal epithelium and induces chronic esophagitis, which in turn is believed to trigger the pathologic changes (summary by Wong et al., 2005).;

Prefixed ID : #614266;

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28/07/2025


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