Presentation
Dysphagia.
Patient Data
Age: 40 years
Gender: Female
From the case:
Achalasia
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Dilatation and stasis in esophagus with acute tapering at the lower esophageal sphincter and narrowing at the gastro-esophageal junction with characteristic appearances of bird beak sign or rat-tail sign.
Case Discussion
Features are consistent with achalasia which is a failure of organized esophageal peristalsis causing impaired relaxation of the lower esophageal sphincter, and resulting in food stasis and often marked dilatation of the esophagus.
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