Retroesophageal right subclavian artery originating from the aortic arch distal and dorsal to the left subclavian artery

In the cadaver of a Japanese 79 year-old man a retroesophageal right subclavian artery was observed to be derived from the arch of the aorta slightly distal and dorsal to the left subclavian artery. Its origin formed Kommerell's arterial diverticulum (50 mm in circumference), and it passed betw...

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Bibliographic Details
Published in:Annals of anatomy 1996-06, Vol.178 (3), p.269-271
Main Authors: Nakatani, Toshio, Tanaka, Shigenori, Mizukami, Shigeki, Okamoto, Keishi, Shiraishi, Yoshitake, Nakamura, Tsuneo
Format: Article
Language:English
Subjects:
Abnormality
Aged
Ansa subclavia
Aorta, Thoracic - abnormalities
Aorta, Thoracic - anatomy & histology
Cadaver
Esophagus
Humans
Japanese man
Male
Recurrent laryngeal nerve
Stellate Ganglion - anatomy & histology
Subclavian Artery - abnormalities
Subclavian Artery - anatomy & histology
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Summary:In the cadaver of a Japanese 79 year-old man a retroesophageal right subclavian artery was observed to be derived from the arch of the aorta slightly distal and dorsal to the left subclavian artery. Its origin formed Kommerell's arterial diverticulum (50 mm in circumference), and it passed between the esophagus and the vertebral column and continued to the right to become the axillary artery. No right recurrent laryngeal nerve was observed. There was a right ansa subclavia around the subclavian artery. Although this anomaly is relatively rare, it is important as a cause of dysphagia lusoria.
ISSN:0940-9602
1618-0402
DOI:10.1016/S0940-9602(96)80064-1