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Barrett Esophagus

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Definition: A condition with damage to the lining of the lower ESOPHAGUS resulting from chronic acid reflux (ESOPHAGITIS, REFLUX). Through the process of metaplasia, the squamous cells are replaced by a columnar epithelium with cells resembling those of the INTESTINE or the salmon-pink mucosa of the STOMACH. Barrett's columnar epithelium is a marker for severe reflux and precursor to ADENOCARCINOMA of the esophagus.  note category; do not coord with INFANT, NEWBORN, DISEASES    Other names Esophagus, Barrett; Barrett Syndrome; Syndrome, Barrett's; Syndrome, Barrett; Esophagus, Barrett's; Epithelium, Barrett; Barretts Syndrome; Barretts Esophagus; Barrett's Syndrome; Barrett's Esophagus; Barrett Epithelium

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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