File:Achalasia (Radiopaedia 8831-9630 Prone 1).jpg

Summary:

• Radiopaedia case ID: 8831
• Image ID: 344172
• Image stack position: 1/9
• Plane projection: Prone
• Study description: Barium swallow
• Study findings: Upper GI study reveals uniform dilatation of the esophagus to the level of the gastro-esophageal junction, where fixed narrowing is noted (bird beak sign or rat-tail sign). Repeated observation by fluoroscopy confirmed failure of relaxation of the lower esophageal sphincter and prolonged retention of barium in the esophagus.
• Modality: Fluoroscopy
• System: Gastrointestinal
• Findings: Chest x-ray is largely unremarkable. Minor patchy opacities in the left base are noted. A small gastric air bubble is visible.
• Published: 2nd Mar 2010
• Source: https://radiopaedia.org/cases/achalasia-1
• Author: Hani Makky Al Salam
• Permission: http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)