EDDY D. PALMER
Dysphagia lusoria is the term which for years has been applied to symptomatic esophageal compression by an arteria lusoria. An arteria lusoria is an anomalous form of the right subclavian artery (figure 1). It arises as the fourth branch of an otherwise normal aortic arch, and passes around the left and posterior aspects of trachea and esophagus, before coming to lie in the proper position to serve as the subclavian artery. This appears to be the most common anomaly of the aortic arch system, its incidence having been recorded upon anatomic study as 0.6%,1 0.8%,2, 3 1%4 and 1.8%.5 One
PALMER ED. DYSPHAGIA LUSORIA: CLINICAL ASPECTS IN THE ADULT1. Ann Intern Med. ;42:1173–1180. doi: 10.7326/0003-4819-42-6-1173
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Published: Ann Intern Med. 1955;42(6):1173-1180.
Esophageal Disorders, Gastroenterology/Hepatology.
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