Abstract
Purpose
In this article, we describe a complex and rare variant of the common trunk arising as a branch of the subclavian artery. This description highlights the clinical relevance of such a variation for medical practice.
Methods
A routine dissection was carried out on an adult 74-year-old female cadaver. After identification and preparation of the common trunk, measurements and photographs were taken.
Results
The dissection revealed a common trunk arising from the first part of the left subclavian artery. It divided into the left internal thoracic artery, the inferior thyroid artery, and the thyrocervical trunk. Further on, the branches of the thyrocervical trunk supplied blood to the trapezius muscle, the longus colli muscle and the supraspinatus muscle.
Conclusion
For the first time, we report the specific appearance of a common trunk from the left subclavian artery that includes the origin of the left internal thoracic artery, inferior thyroid artery, and thyrocervical trunk. Knowledge of the different variations of subclavian branches is essential because of the high frequency with which this region is involved in diagnostic and surgical procedures.
Level of evidence
II Basic Science Research.
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Data availability
Please contact authors for data requests (Kacper Ruzik MD—email address: kacper.ruzik@umed.lodz.pl).
Abbreviations
- CCT:
-
Costocervical trunk
- DSA:
-
Dorsal scapular artery
- ITA:
-
Internal thoracic artery
- ITHA:
-
Inferior thyroid artery
- LSA:
-
Left subclavian artery
- TCA:
-
Transverse cervical artery
- TCT:
-
Thyrocervical trunk
- SA:
-
Subclavian artery
- RSA:
-
Right subclavian artery
- SCA:
-
Superficial cervical artery
- SSA:
-
Suprascapular artery
- VA:
-
Vertebral artery
- ACA:
-
Ascending cervical artery
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Acknowledgements
The authors wish to sincerely thank those who donated their bodies to science so that anatomical research could be performed. Results from such research can potentially improve patient care and increase mankind’s overall knowledge. Therefore, these donors and their families deserve our highest gratitude.
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The authors have no financial or personal relationship with any third party whose interests could be positively or negatively influenced by the article’s content. This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
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KW assistant–project development, data collection and management, data analysis and manuscript writing. KR assistant–data collection, data analysis and manuscript writing. FP (MD, PhD)–professor–data collection, data analysis and manuscript editing. NZ assistant data analysis and manuscript editing. GPG (MD, PhD)–manuscript editing. ŁO (MD., PhD) Professor–data analysis, data collection, manuscript editing. PŁ (MD, PhD) data analysis, data collection and manuscript editing. All authors have read and approved the manuscript.
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The cadavers belonged to the Department of Anatomical Dissection and Donation, Medical University of Lodz.
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The study protocol was accepted by the Bioethics Committee of the Medical University of Lodz. The cadavers were the property of the Department of Anatomical Dissection and Donation, Medical University of Lodz. Informed consents were obtained from all participants before they died.
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Westrych, K., Ruzik, K., Zielinska, N. et al. Common trunk of the internal thoracic artery, inferior thyroid artery and thyrocervical trunk from the subclavian artery: a rare arterial variant. Surg Radiol Anat 44, 983–986 (2022). https://doi.org/10.1007/s00276-022-02977-w
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DOI: https://doi.org/10.1007/s00276-022-02977-w