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  • Title: [Right aortic arch, Kommerell's diverticulum and aberrant left subclavian artery].
    Author: Simón-Yarza I, Viteri-Ramírez G, Etxano J, Roblero PS, Ferreira M, Alemañ GB.
    Journal: An Sist Sanit Navar; 2011; 34(2):295-300. PubMed ID: 21904412.
    Abstract:
    The right aberrant subclavian artery or "arteria lusoria" is the most common anatomical variant of the embryonic development of the aorta and its branches, with a presence in 0.5-2% of the population. Less frequently, a right aortic arch with aberrant left subclavian artery may be present. These anatomical variations should be included in the differential diagnosis of superior mediastinal widening seen on chest radiographs. In this report, we present a right aortic arch with left aberrant subclavian artery dilated at its origin (Kommerell's diverticulum) as a cause of superior mediastinal widening detected incidentally on a chest radiograph.
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