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Images of a vascular ring with a right aortic arch and Kommerell diverticulum obtained by three-dimensional CT
  1. Toru Inami1,
  2. Yoshihiko Seino1,
  3. Kyoichi Mizuno2
  1. 1Department of Cardiology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
  2. 2Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
  1. Correspondence to Dr Toru Inami, Department of Cardiology, Nippon Medical School Chiba Hokusoh Hospital, 1715 Kamagari, Inzai, Chiba 270-1694, Japan; t-inami{at}

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A 73-year-old man was referred for evaluation of ischaemic heart disease. During the evaluation a chest x-ray examination showed a right aortic arch (RAA) (figure 1). Three-dimensional CT showed a RAA with the Kommerell diverticulum (KD), from which arose an aberrant left subclavian artery (LSA) (figure 2A). The RAA separated branches arising in the following order: left common carotid artery, right common carotid artery, right subclavian artery (RSA) and aberrant …

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