Figure 12 - Radiographic examination of diffuse esophageal spasm.
From the following article
Pathophysiology of achalasia and diffuse esophageal spasm
Ikuo Hirano
GI Motility online (2006)
doi:10.1038/gimo22
Barium swallow illustrating spiral or "corkscrew" deformity of the tubular esophagus caused by simultaneous, lumen-obliterated contractions of the circular muscle of the esophageal body.
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