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International Journal of Anatomical Variations

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Joseph M. A. Miller1* and Robert B. Trelease2
 
1 Department of Pathology and Laboratory Medicine, Laboratory for Anatomical Variation Research, Division of Integrative Anatomy, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA, Email: jmamiller@mednet.ucla.edu
2 Department of Pathology and Laboratory Medicine, Laboratory for Anatomical Informatics, Division of Integrative Anatomy, David Geffen School of Medicine, UCLA, Los Angeles, CA, USA, Email: trelease@ucla.edu
 
*Correspondence: Joseph M. A. Miller, PhD, Department of Pathology and Laboratory Medicine, Laboratory for Anatomical Variation Research, Division of Integrative Anatomy, David Geffen School of Medicine, UCLA, 10833 Le Conte Ave. Los Angeles, CA 90095, USA, Tel: 310206-4288, Email: jmamiller@mednet.ucla.edu

Received: 29-Jun-2013 Accepted Date: Mar 12, 2014; Published: 12-Jun-2014

Citation: Int J Anat Var (IJAV). 2014; 7: 62–64.

This open-access article is distributed under the terms of the Creative Commons Attribution Non-Commercial License (CC BY-NC) (http://creativecommons.org/licenses/by-nc/4.0/), which permits reuse, distribution and reproduction of the article, provided that the original work is properly cited and the reuse is restricted to noncommercial purposes. For commercial reuse, contact reprints@pulsus.com

Abstract

The musculocutaneous nerve (MCN) is characterized, in part, by its classic perforation of the coracobrachialis muscle. It has also been reported to occasionally perforate the short head of the biceps brachii and brachialis. However, comprehensive modern summaries of its anatomical variation do not include perforation of the long head of the biceps brachii as an MCN variant. We describe a rare case of a “duplicated” MCN that perforates the long head of the biceps brachii in a 92-year-old, Caucasian female cadaver. We provide the first description and photographic documentation of this variant and discuss its anatomical and clinical significance.

 
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Citations : 2426

International Journal of Anatomical Variations received 2426 citations as per Google Scholar report

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