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British Journal of Radiology (2006) 79, e81-e83
© 2006 British Institute of Radiology
doi: 10.1259/bjr/25504514
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Case report

A vascular ring variant: an unusual case of vocal cord palsy due to an anomalous left carotid artery arising from a retrotracheal arch of the aorta

A R Joshi, MD 1 A Garg, DNB 1 B Vhanmane, MB, BS 1 S Merchant, MD 1 and N Nerurkar, MS 2

Departments of 1Radiology and 2Otolaryngology, Lokmanya Tilak Medical College and Municipal General Hospital, Mumbai, India

Correspondence: Dr Ashwin Garg, 123/9 Civil Lines North, Opposite Railway Station, Muzaffarnagar (UP)-251001, India

We present the case of an unusual vascular ring in a 23-year-old male patient who presented for CT examination of the chest for diagnostic work up for unilateral vocal cord palsy. Contrast-enhanced CT revealed the left common carotid artery to be arising from the ascending part of a retrotracheal arch of aorta and traversing anterior to the trachea in the retromanubrial space.






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