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World J Radiol. 2013 Apr 28;5(4):184-6. doi: 10.4329/wjr.v5.i4.184.

MDCT of right aortic arch with aberrant left subclavian artery associated with kommerell diverticulum and calcified ligamentum arteriosum.

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Rene Epunza Kanza, Michel Berube, Department of Radiology, Chicoutimi Hospital, Saguenay, Quebec G7H5H6, Canada.


We present a case of the right aortic arch with kommerell diverticulum (KD) and aberrant left subclavian artery in a symptomatic 50-year-old patient with a calcification in the presumed attachment site of the ligamentum arteriosum (LA) to the KD. In another 30-year-old male patient, the entire course of a calcified LA was demonstrated using multidetector row computed tomography.


Aberrant left subclavian artery; Calcification of ligamentum arteriosum; Kommerell diverticulum; Multidetector row computed tomography; Right aortic arch

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