Dysphagia lusoria
Dysphagia lusoria is an impairment of swallowing due to compression from an aberrant right subclavian artery (arteria lusoria).
Most patients with aberrant right subclavian arteries do not have symptoms. Some present with mild dysphagia, while a small minority have a severe enough disturbance in swallowing that leads to inability to swallow and severe nutritional problems.
Compression of the oesophagus by the aberrant right subclavian artery can be exacerbated by atherosclerosis or aneurysmal dilatation.
Etymology
The word lusoria comes from the Greek phrase lusus naturae, meaning freak of nature, which refers to the freaky course of the artery 1.
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