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Volume 20, Issue 1 (Winter & Spring 2023)
ASJ 2023, 20(1): 23-26 |
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Khaledi S, Zhaeentan S, Bakhtiyari M. Musculocutaneous Nerve Variations in a Male Cadaver: A Case Report. ASJ 2023; 20 (1) :23-26
URL: http://anatomyjournal.ir/article-1-218-en.html
URL: http://anatomyjournal.ir/article-1-218-en.html
1- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
2- Department of Anatomical Sciences, Faculty of Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
3- Department of Anatomical Sciences, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran.
2- Department of Anatomical Sciences, Faculty of Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
3- Department of Anatomical Sciences, Faculty of Medical Sciences, Iran University of Medical Sciences, Tehran, Iran.
Abstract: (373 Views)
Introduction: The clinical anatomical knowledge of the brachial plexus of the upper limb and its variants is essential for many upper extremity surgical procedures following hand injuries.
Case Report: An unreported anatomical variation was observed during training surgery of the right upper limb of a male cadaver. The musculocutaneous nerve originates in the lateral cord and extends outwards, passing beneath the coracobrachialis muscle before proceeding to its initial branch, leading to the biceps brachialis muscle. The abnormal origination of the musculocutaneous nerve in the cadaver was in the midpoint of the arm from the median nerve. A thin nerve branch also innervated the coracobrachialis muscle, originated in the lateral cord, and continued laterally.
Conclusion: Since no accurate similarity was reported, we consider this variation unusual and useful, especially for surgical purposes.
Case Report: An unreported anatomical variation was observed during training surgery of the right upper limb of a male cadaver. The musculocutaneous nerve originates in the lateral cord and extends outwards, passing beneath the coracobrachialis muscle before proceeding to its initial branch, leading to the biceps brachialis muscle. The abnormal origination of the musculocutaneous nerve in the cadaver was in the midpoint of the arm from the median nerve. A thin nerve branch also innervated the coracobrachialis muscle, originated in the lateral cord, and continued laterally.
Conclusion: Since no accurate similarity was reported, we consider this variation unusual and useful, especially for surgical purposes.
Keywords: Anatomical variation, Arm, Brachial plexus, Median nerve, Musculocutaneous nerve, Upper limb
Type of Study: News and Reports |
Subject:
Gross Anatomy
Received: 2022/05/30 | Accepted: 2022/06/26 | Published: 2023/01/1
Received: 2022/05/30 | Accepted: 2022/06/26 | Published: 2023/01/1
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