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- Title
Two rare variations in the branching pattern of arcus aortae and their clinical significance.
- Authors
A., Keskin; G., Açar; A. E., Çiçekcibaşı; M., Koplay
- Abstract
Objective: In classical anatomical configuration, the aortic arch is on the left side and is divided into brachiocephalic trunk (TB) [right common carotid artery (RCC) and right subclavian artery (RS)], left common carotid artery (LCC) and left subclavian artery (LS) has three branches (49.7-94.3%). Variations of the aortic arch branching form are reported in 7 types and its prevalence is reported as 14.7%: Type I: Normal type (49.7-94.3%) Type II: (Bovine) Branching of LCC from TB (7.8-4'.'%) Type III: Origin of the left vertebral artery directly from the aortic arch ('.4-6%) Type IV: ACC origin of common root (0.'6-0.2%) Type V: Common trunk of carotid artery originating from right retroesophageal subclavian artery in 20.6-29% (0.2-'.7%) Type VI: ASD, as the last branch of the aortic arch (0.'6%) Type VII: The absence of TB and the origin of RSA and RCCA directly from the aortic arch (0.'6-0.7%). Methods: Vascular carotid DSA CT images in the archives of the Department of Radiology were scanned retrospectively and two rare variations in branching pattern of aortic arch were observed. Results: In CT scans, 41 and 48 years old male patients had Type III and Type IV branching variation, respectively. Conclusion: Despite the precise knowledge of anatomy, preoperative radiological evaluation provides the basis of complex surgical procedures on the head and neck, thus making the surgical procedure safer and more effective. Anatomical variations in the branching pattern of the aortic arch are of great importance for clinicians in head and neck and cardiovascular surgery in interventional radiology.
- Subjects
BRACHIOCEPHALIC trunk; SUBCLAVIAN artery; THORACIC aorta; VERTEBRAL artery; CAROTID artery; AORTA
- Publication
Anatomy: International Journal of Experimental & Clinical Anatomy, 2019, Vol 13, Issue Supplement2, pS167
- ISSN
1307-8798
- Publication type
Article