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A variant branching pattern of the aortic arch: a case report
Mange Manyama1, Peter Rambau, Japhet Gilyoma
1Bugando University College of Health Sciences, Mwanza, Tanzania. manyama73@yahoo.com
Journal of Cardiothoracic Surgery
|March 15, 2011
Summary
A rare variant aortic arch branching pattern was observed in a Tanzanian male cadaver. This anatomical variation involves the left common carotid and left vertebral arteries originating from unusual positions, with potential embryological and clinical significance.
Area of Science:
- Anatomy
- Embryology
- Vascular Biology
Background:
- The aortic arch typically exhibits a standard branching pattern.
- Variations in aortic arch branching can arise from diverse embryological mechanisms.
- Understanding these variations is crucial for anatomical and clinical contexts.
Observation:
- A unique aortic arch branching pattern was identified in a 41-year-old male cadaver in Tanzania.
- The left common carotid artery originated from the brachiocephalic trunk's root.
- The left vertebral artery arose from the aortic arch, proximal to the left subclavian artery's origin.
Findings:
- Detailed description of an anomalous origin for the left common carotid artery.
- Documentation of an unusual origin for the left vertebral artery.
- Analysis of a specific variant aortic arch branching pattern.
Implications:
- This case highlights the importance of recognizing anatomical variations during medical procedures.
- The findings contribute to the understanding of aortic arch embryogenesis.
- Clinical significance may include challenges in vascular surgery and diagnostic imaging interpretation.
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