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Dysphagia Lusoria


Kristle Lee Lynch

, MD, Perelman School of Medicine at The University of Pennsylvania

Last full review/revision Mar 2022| Content last modified Mar 2022
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Dysphagia lusoria is caused by compression of the esophagus from any of several congenital vascular abnormalities.

The vascular abnormality is usually an aberrant right subclavian artery arising from the left side of the aortic arch, a double aortic arch, or a right aortic arch with left ligamentum arteriosum. The dysphagia Dysphagia Dysphagia is difficulty swallowing. The condition results from impeded transport of liquids, solids, or both from the pharynx to the stomach. Dysphagia should not be confused with globus sensation... read more may develop in childhood or later in life as a result of arteriosclerotic changes in the aberrant vessel.

Barium swallow shows the extrinsic compression, but arteriography is necessary for absolute diagnosis.

Most patients require no treatment, but surgical repair is sometimes done after careful weighing of risks and benefits.

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