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Folia Morphol (Warsz). 2019 Feb 28. doi: 10.5603/FM.a2019.0020. [Epub ahead of print]

An unusual case of asymmetrical combined variations of the subclavian and axillary artery with clinical significance.

Author information

1
1. Department of Anatomy, Medical School, Faculty of Health and Sciences, National and Kapodistrian University of Athens, Greece, Mikras Asias str. 75, 11627 Athens, Greece. eleni72000@yahoo.gr.
2
2. Department of Anatomy and Surgical Anatomy, Faculty of Health and Sciences, Aristotle University of Thessaloniki, Greece, Thelassoniki.
3
1. Department of Anatomy, Medical School, Faculty of Health and Sciences, National and Kapodistrian University of Athens, Greece, Mikras Asias str. 75, 11627 Athens, Greece.
4
3. Department of Anatomy, Medical School, Democritus University of Thrace, Alexandroupolis, Greece.

Abstract

In a Greek Caucasian male cadaver, a combination of the following arterial variations were observed: an aberrant right subclavian artery originating as a last branch of the aortic arch and coursed posterior to the esophagus, a right non-recurrent laryngeal nerve, an atypical origin of the left suprascapular artery from the axillary artery, an unusual emersion of the lateral thoracic artery from the subscapular artery and a separate origin of the left thoracodorsal artery from the axillary artery. According to the available literature the corresponding incidences of the referred variants are: 0.7% for the aberrant right subclavian artery, 1.6-3.8% for the origin of the suprascapular artery from the axillary artery, 3% for the origin of the left thoracodorsal artery from the axillary artery and 30% for the origin of the lateral thoracic artery from the subscapular artery. Such unusual coexistence of arterial variations may developmentally be explained and has important clinical significance.

KEYWORDS:

aberrant right subclavian artery; esophagus; lateral thoracic artery; non-recurrent laryngeal nerve; subscapular artery; suprascapular artery; thoracodorsal artery

PMID:
30816550
DOI:
10.5603/FM.a2019.0020
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