Barrett esophagus Barrett’s esophagus is the change of mucosal cells in the lower portion of the esophagus from normal stratified squamous epithelium to simple columnar epithelium. Barrett is a premalignant condition associated esophageal adenocarcinoma. Prague criteria Dutch guideline Barrett 2018 ESGE Barrett guideline 2017 Statement 6 Biopsy samples should be taken from all visible mucosal ..

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