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A case of a duplicated superficial branch of radial nerve and a two-bellied brachioradialis muscle presenting a potential entrapment syndrome

  • Anatomic Variations
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Abstract

We have found an interesting coincidental variation of the superficial branch of the radial nerve and the brachioradialis muscle in a male cadaver. The superficial branch of the radial nerve was duplicated with one branch taking an aberrant course between two bellies of the brachioradialis muscle. The variant brachioradialis muscle featured two muscle bellies, a superficial one and a deep one, with one common origin and one common insertional tendon. The accessory nerve branch was impinged by two blood vessels and pierced through muscle bundles connecting two bellies of the brachioradialis muscle. The knowledge of this neuromuscular variant is of clinical relevance for the differential diagnosis of pain and paresthesia on the dorsoradial aspect of the hand and for the surgical management of the Wartenberg’s syndrome.

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Acknowledgments

The authors kindly thank all the body donors for their gift to research. The authors sincerely thank Mirka Plecitá for bibliographic support. This research complies with the law of Czech Republic, where it was performed. This study was supported by the Charles University Project PRVOUK # 33.

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Authors and Affiliations

  1. Department of Anatomy, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic

    Tomas Herma, Danylo Yershov & David Kachlik

  2. Department of Anatomy, Third Faculty of Medicine, Charles University in Prague, Prague, Czech Republic

    Tomas Herma

  3. Department of Health Care Studies, College of Polytechnics Jihlava, Jihlava, Czech Republic

    Vaclav Baca & David Kachlik

Authors
  1. Tomas Herma
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  2. Vaclav Baca
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  3. Danylo Yershov
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  4. David Kachlik
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Correspondence to David Kachlik.

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Herma, T., Baca, V., Yershov, D. et al. A case of a duplicated superficial branch of radial nerve and a two-bellied brachioradialis muscle presenting a potential entrapment syndrome. Surg Radiol Anat 39, 451–454 (2017). https://doi.org/10.1007/s00276-016-1732-8

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  • DOI: https://doi.org/10.1007/s00276-016-1732-8

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