Crypt Dysplasia in Barrett’s Esophagus: An Update

Endoscopic surveillance of Barrett’s esophagus can help diagnose cellular changes and prevent progression to esophageal adenocarcinoma. Given that surveillance intervals are determined by the degree of dysplasia, an understanding of the significance of the findings is crucial.

Barrett’s esophagus (BE) is defined as the presence of columnar mucosa with intestinal metaplasia of at least 1 cm within the esophagus.¹