Abnormal origin of superior thoracic artery- a cadaveric study.
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 11, Pages 4920-4924
AbstractBackground- The arterial pattern of the human superior extremity exhibits a host of variations. Knowledge of these anatomical variations is of great utility in vascular and reconstructive surgeries as well as in angiographic evaluations. The axillary artery gives six branches. They are superior thoracic artery from first part; lateral thoracic artery and thoraco-acromial artery from second part; anterior circumflex humeral artery, posterior circumflex humeral artery and subscapular artery from third part. This pattern shows a multitude of variations.
Aim of the study- To study the variations of branching pattern of axillary artery in formalin fixed cadavers using classical dissection methods and incisions.
Materials and methods- The study was conducted on fifteen formalin fixed cadavers and thirty upper limbs were dissected. The axillary arteries and their branches were exposed and they were observed for any variation in the branching pattern of axillary artery.
Results- A unilateral variation was observed in single, adult, male cadaver (3.33% of upper limbs) on the right side in which the superior thoracic artery originated from the lateral thoracic artery instead of the first part of the axillary artery.
Conclusion- Our study will be of great importance in anatomy, vascular surgery and orthopedic surgery.
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