A unique lpsilateral axillary artery variation

A. Armstrong, Carson Dangberg, Luke Vest, Alessio Beffa, D. Daly, Yun-xi Tan
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Abstract

In an 87-year-old male cadaver received through the Gift Body Program at Saint Louis University School of Medicine, a common arterial trunk arose from the third part of the left axillary artery (AA) that divided into the subscapular artery (SA) and a common stem for the deep brachial artery (DBA), the anterior humeral circumflex artery (AHCA), and the posterior humeral circumflex artery (PHCA). Both the SA and AHCA appeared normal. The PHCA traveled through the quadrangular space and gave off the radial collateral artery (RCA) in the posterior arm which anastomosed with the radial recurrent artery. The DBA traveled through the triangular interval and continued as the middle collateral artery (MCA) in the posterior arm to anastomose with the interosseous recurrent artery. Lastly, the medial and lateral cord contributions to the median nerve formed posteriorly to the AA. Knowing anatomical variation of the AA has clinical and embryological significance.
一种独特的同侧腋窝动脉变异
在圣路易斯大学医学院接受的一名87岁男性尸体中,有一条共同的动脉干,从左腋下动脉(AA)的第三部分产生,分为肩胛下动脉(SA)和肱深动脉(DBA)、肱骨旋前动脉(AHCA)和肱骨旋后动脉(PHCA)。SA和AHCA均正常。PHCA穿过四边形间隙,在后臂发出与桡骨再动脉吻合的桡骨侧支动脉(RCA)。DBA穿过三角形间隔,继续作为后臂的中副动脉(MCA)与骨间复发动脉吻合。最后,内侧和外侧脊髓对正中神经的贡献形成于AA后方。了解AA的解剖变异具有临床和胚胎学意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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