Abstract
Variations of vessels arising from the aortic arch are numerous. One of the common anatomical variations is the right subclavian artery originating as the last branch of the aortic arch. This is a report of a case of an adult male cadaver with a retroesophageal right subclavian artery. To highlight the significance of a retroesophageal right subclavian artery, especially its clinical and surgical implications. Is a report of a case of an anomalous vessel found during routine student dissection of the chest region in a male cadaver. The retroesophageal subclavian artery was seen originating as the last branch from the postero-lateral aspect of the thoracic aorta at the vertebral level T4. The heart was normal with no other vascular variations seen in this region. Anatomists and pathologists mainly encounter a retroesophageal right subclavian artery by chance and is usually described as asymptomatic, but several clinical conditions have been associated with its occurrence. This is a clear example of when knowledge of an anatomical variation is helpful in clinical practice.
Highlights
Various vascular anomalies usually occur as a result of failure in the congenital development of the primordial aortic arch[1]
P.O.Box 166, Gulu Tel: +256 772 463 917 Email: antocaya@gmail.com achi described the pattern, in which the right subclavian artery was found as the last branch of the aortic arch
The anatomic and morphologic variations of the aortic arch and its branches are significant for diagnostic and surgical procedures in the thorax and neck. This present study describes a case of retroesophageal subclavian artery (RRESA) in our specimen and discusses the anatomy and embryology
Summary
Various vascular anomalies usually occur as a result of failure in the congenital development of the primordial aortic arch[1]. Retroesophageal right subclavian artery: a case report and review of the literature. In about 80% of individuals, 3 branches arise from the aortic arch; the brachiocephalic trunk, the left subclavian artery, and the left common carotid artery.
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