Unusual Axillary Artery Branching Pattern Associated with Multiple Neural Variations

Nikolaos Lazaridis, Maria Piagkou, Ioannis Aidonis, George Paraskevas, Georgios Sofidis, Konstantinos Natsis


Objective. This report presents a unilateral branching pattern of the axillary artery (AA) represented by an unusual common trunk division, vessel multiplications and concomitant neural variations.

Case Report. In a Greek male cadaver, the right AA branched into a subscapular trunk and two accessory lateral thoracic arteries of variable origin and course. Concomitantly, a high-level interconnection between the musculocutaneous and median nerves was identified, as an accessory lateral root of the median nerve. More interestingly, a rare innervation of the upper part of the latissimus dorsi muscle by a lower subscapular nerve was also revealed.

Conclusion. In-depth knowledge of the typical and variant AA branching patterns and coexisting neural variations is of paramount importance for surgeons and interventional physicians, for a safer diagnosis and for performing uneventful procedures in that area.


Variation; Subscapular Artery; Thoracodorsal Artery; Angular Branch; Trunk

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DOI: http://dx.doi.org/10.5644/ama2006-124.360


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