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Anat Cell Biol

Published online September 3, 2020

https://doi.org/10.5115/acb.20.096

Copyright © Korean Association of ANATOMISTS.

Reunification of a split sciatic nerve

Brendan Huang1 , Tess Decater1 , Joe Iwanaga1 , Aaron S. Dumont1 , R. Shane Tubbs1,2,3,4

1Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, 2 Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, 3 Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA, 4 Department of Anatomical Sciences, St. George’s University, St. George’s, Grenada, West Indies

Correspondence to:Joe Iwanaga
Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA 70112, USA
E-mail: iwanagajoeca@gmail.com

Received: April 20, 2020; Revised: May 6, 2020; Accepted: May 13, 2020

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Sciatic nerve (SN) variaitons can result in interesting clinical presentations. We identified a SN variant that does not fit into preexisting classification schemes. In an adult male cadaver, the SN was found to divide proximally and partly exit through the piriformis muscle. Distal to the piriformis, the two parts of the SN were reunited. Although apparently extremely rare, such a finding should be added to the archives of anatomical variations.

Keywords: Anatomy, Anatomic variation, Cadaver, Sciatic nerve

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