Aberrant Right Subclavian Artery: Cadaver Case Report

Authors

  • Jason Kopp Second-year Medical Student, Michigan State University College of Human Medicine, East Lansing, United States of America
  • Ahmad Irshaid Second-year Medical Student, Michigan State University College of Human Medicine, East Lansing, United States of America
  • Justin Baker B.S. Michigan State University, East Lansing, United States of America
  • John Fitzsimmons MD. Michigan State University College of Human Medicine, East Lansing, United States of America
  • Judith C. Lin MD, MBA. Michigan State University College of Human Medicine, Department of Surgery, East Lansing, United States of America

DOI:

https://doi.org/10.5195/ijms.2022.1647

Keywords:

Aberrant Right Subclavian Artery, Case Reports, Aortic Arch, Dysphagia

Abstract

While examining the anatomy of a cadaver in a medical school gross anatomy course, an aortic arch anomaly was discovered. This variant is consistent with an aberrant right subclavian artery (ARSA). In this variant the right subclavian artery branches from the most distal part of the aortic arch and runs both retrotracheal and retroesophageal as it courses to the right shoulder. This variant is a result of aberrant development of the aortic arch and may include presenting symptoms such as dysphagia and shortness of breath, if any at all. Additional to the ARSA exists a common bicarotid trunk and a direct branching of the left vertebral artery from the aortic arch, both of which are rare anomalies. The cadaver’s medical history includes dysphagia and stretched esophagus, although the severity is unknown. This case report draws attention to these rare anatomical anomalies and includes a discussion of the most common clinical presentation, and surgical implications of an aberrant right subclavian artery anomaly.

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References

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Published

2022-12-31 — Updated on 2023-02-20

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How to Cite

Kopp, J., Irshaid, A., Baker, J., Fitzsimmons, J., & Lin, J. C. (2023). Aberrant Right Subclavian Artery: Cadaver Case Report. International Journal of Medical Students, 10(4), 413–416. https://doi.org/10.5195/ijms.2022.1647 (Original work published December 31, 2022)

Issue

Vol. 10 No. 4 (2022)

Section

Case Report

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Copyright (c) 2022 Jason Kopp, Ahmad Irshaid, Justin Baker, John Fitzsimmons, Judith Lin

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