Fig. 14.

A, Representative endoscopic image of the gastroesophageal junction immediately after radiofrequency ablation (RFA) treatment. B, Representative cross-sectional OCT image showing unburned Barrett’s esophagus epithelium missed by RFA. C, Representative cross-sectional OCT image showing residual glands after RFA and D, corresponding histology confirming residual BE glands after RFA (H&E, orig. mag. x4). E, Representative cross-sectional OCT image showing effective RFA treatment. (Figure and caption adapted from [136], with permission from Elsevier.)