Barrett oesophagus

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Barrett oesophagus

(Science: radiology) replacement of squamous epithelium with columnar metaplasia in lower oesophagus, incidence: 2-10% of patients with reflux oesophagitis, associated with adenocarcinoma in 8-10% findings: large deep ulceration with or without stricture at distal/mid oesophagus, fine reticular pattern, commonly reflux, columnar epithelium secretes Tc-99m pertechnetate