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An unusual topographic relationship between high origin of superficial ulnar artery and bitendinous palmaris longus

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Abstract

The ulnar artery usually arises from the brachial artery at the cubital fossa. It descends beneath the flexor carpi ulnaris in the forearm and then terminates at the wrist joint by forming the superficial palmar arch with the contributory radial artery. In the present study, we report a more proximal origin of ulnar artery presenting a superficial course in the lower portion of the upper extremity, termed superficial ulnar artery. Interestingly, this artery lies superficially to a bitendinous palmaris longus, a variant muscle in the forearm. The relation between arterial and muscular variations may be useful during clinical procedures such as angiography, forearm flap and tendon grafting as well as avoiding accidental intra-arterial injection.

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Acknowledgements

The authors would sincerely thank all the cadavers for body donors to the research. My completion of this project could not have been accomplished without the support of School of Medical Sciences, University of Phayao, Thailand. Finally, we would like to thank Professor George Harrett Aigla, M.D., a visiting professor at Department of Anatomy, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand for English proofing.

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Authors and Affiliations

  1. Department of Anatomy, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand

    Natthiya Sakulsak

  2. Division of Anatomy, School of Medical Sciences, University of Phayao, Phayao, 56000, Thailand

    Laorrat Phuapittayalert

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  1. Natthiya Sakulsak
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  2. Laorrat Phuapittayalert
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Correspondence to Laorrat Phuapittayalert.

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Sakulsak, N., Phuapittayalert, L. An unusual topographic relationship between high origin of superficial ulnar artery and bitendinous palmaris longus. Anat Sci Int 96, 577–581 (2021). https://doi.org/10.1007/s12565-021-00608-9

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  • DOI: https://doi.org/10.1007/s12565-021-00608-9

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