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Barrett Esophagus : No Dysplasia

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Barrett esophagus refers to the presence of intestinal metaplasia within esophageal squamous mucosa above the level of lower esophageal sphincter. As a result of metaplastic changes, the distal esophagus shows areas lined by specialized columnar epithelium with goblet cells. It is a complication of long standing gastroesophageal reflux disease (GERD). The diagnosis of Barrett esophagus requires both the recognition of abnormal mucosa on endoscopy as well as histologic evidence of intestinal metaplasia.

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