Bird beak sign - achalasia

Case contributed by Mohammadtaghi Niknejad


Work up for dysphagia.

Patient Data

Age: 40 years
Gender: Male

There is dilatation and stasis in esophagus with 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 with typical bird beak sign.

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