Case List History Objectives Radiology Images Questions ESOPHAGUS, STOMACH, AND DUODENUM Case #6 - A 59 year old with difficulty swallowing DISCUSSION QUESTIONS: 10.) What is Barrett's esophagus and what is its significance? Barrett's esophagus is intestinal metaplasia of the distal esophagus with replacement of squamous epithelium by columnar epithelium. This is a premalignant lesion in which dysplasia may occur and progress to carcinoma.
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