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Ulnar Nerve Passing Through the Gap Created by the Chiasma Between Brachial and Basilic Veins: Clinical Significance

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Abstract

The anatomical variations in the tributaries pattern of the axillary vein are not uncommon. In this case report, we describe three distinct findings observed in the right upper limb of a 65-year-old male cadaver: (1) a venous chiasma formed between the common brachial and basilic veins in the middle of the arm, (2) the variant course of ulnar nerve passing deep into the gap created by the chiasma, and (3) the cephalic vein terminating in the basilic vein. The knowledge of such variations could be resourceful for surgeons in avoiding neurovascular damage during basilic vein catheterization and anticipating difficulty in creating the brachio-basilic arteriovenous fistula.

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Acknowledgments

The authors would like to thank the attenders from the Department of Anatomy for their help rendered during dissection session.

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Authors and Affiliations

  1. Department of Anatomy, Sri Manakula Vinayagar Medical College and Hospital, Puducherry, 605107, India

    Suresh Narayanan

  2. Department of Anatomy, All India Institute of Medical Sciences, Mangalagiri, Andhra Pradesh, India

    Senthil Murugan

Authors
  1. Suresh Narayanan
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  2. Senthil Murugan
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Contributions

Suresh Narayanan: Dissected the specimen, took photographs, and draft the manuscript

Senthil Murugan: Photograph editing and drafting manuscript

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Correspondence to Suresh Narayanan.

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The authors declare that they have no conflicts of interest.

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Narayanan, S., Murugan, S. Ulnar Nerve Passing Through the Gap Created by the Chiasma Between Brachial and Basilic Veins: Clinical Significance. Indian J Surg 83, 299–301 (2021). https://doi.org/10.1007/s12262-020-02260-5

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  • DOI: https://doi.org/10.1007/s12262-020-02260-5

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