Year : 2015  |  Volume : 8  |  Issue : 2  |  Page : 250-253

Imaging findings in the right aortic arch with mirror image branching of arch vessels: An unusual cause of dysphagia

Padmashree Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D Y Patil Vidyapeeth, Pimpri, Pune, Maharashtra, India

Correspondence Address:
Guneet Singh
3-B, Khalsa College Colony, Patiala - 147 001, Punjab
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-2870.153179

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We report a case of a 72-year-old female with a right aortic arch with mirror-image branching of arch vessels presenting with dysphagia, and characteristic images on barium esophagogram, contrast-enhanced computed tomography scan, and magnetic resonance aortography. Right-sided thoracic aortic arch with mirror-image branching of the brachiocephalic vessels causing dysphagia without associated congenital cardiac anomalies is extremely uncommon. Right-sided aortic arch is a rare congenital abnormality with incidence of 0.05-0.1% in the normal population. Anomalies of great vessels are usually incidental findings, because they are asymptomatic. Right aortic arch infrequently presents with a vascular ring that can cause complete or partial obstruction of the trachea and/or esophagus. The understanding of this arch anomaly is based on Edward's hypothesis about the double arch system during embryonic developmental.

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