Advanced achalasia on esophagram. Panel A shows distortion and tortuosity of the esophageal body with retention of contrast. Panel B shows tortuosity with more profound dilatation and sink trapping with a dependent portion impeding emptying.
Reproduced with permission from: Jain AS, Carlson DA, Triggs J, et al. Esophagogastric junction distensibility on functional lumen imaging probe topography predicts treatment response in achalasia—anatomy matters! Am J Gastroenterol 2019; 114(9):1455-1463. Copyright © 2024 American College of Gastroenterology.
https://journals.lww.com/ajg/pages/default.aspx.
