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Related Experiment Videos

Aberrant left subclavian artery.

Marian Jakubowicz1, Wojciech Ratajczak, Marek Nowik

  • 1Department of Anatomy, Karol Marcinkowski University School of Medical Sciences, Poznań, ul. Swiecickiego 6, 60-781 Poznań, Poland.

Folia Morphologica
|March 22, 2002
PubMed
Summary

A rare aortic arch anomaly is presented, where the left subclavian artery arises from a common trunk with the brachiocephalic trunk. This anatomical variation affects the origin of major arteries branching from the aorta.

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Area of Science:

  • Vascular anatomy
  • Congenital cardiovascular anomalies

Background:

  • The aortic arch typically gives rise to three major vessels: the brachiocephalic trunk, the left common carotid artery, and the left subclavian artery.
  • Variations in the branching pattern of the aortic arch are uncommon but clinically significant.

Observation:

  • A rare case of an aberrant origin of the left subclavian artery is described.
  • The left subclavian artery originated from a common stem that also gave rise to the brachiocephalic trunk.

Findings:

  • This anatomical variation involves a shared origin for the brachiocephalic trunk and the left subclavian artery from the aortic arch.
  • The course of the remaining major aortic arch vessels was typical in this described case.

Implications:

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  • Understanding such rare vascular anomalies is crucial for accurate interpretation of imaging studies.
  • Knowledge of these variations aids in surgical planning and reduces risks during cardiovascular procedures.