The observation of an axillary arch during dissection: A case report

Background: The axillary arch is a rare axillary abnormality described as a slim muscular slip extending from the latissimus dorsi to the pectoralis major muscles. This arch has been indicated as the main reason for hyper-abduction syndrome and neurovascular compression in the axillary region. Case...

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Main Authors: Mohammad Ebrahim Astaneh, Fatemeh Rezaei-Tazangi, Mohammad Reza Astaneh, Reza Arefnezhad
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:Translational Research in Anatomy
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214854X23000134
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author Mohammad Ebrahim Astaneh
Fatemeh Rezaei-Tazangi
Mohammad Reza Astaneh
Reza Arefnezhad
author_facet Mohammad Ebrahim Astaneh
Fatemeh Rezaei-Tazangi
Mohammad Reza Astaneh
Reza Arefnezhad
author_sort Mohammad Ebrahim Astaneh
collection DOAJ
description Background: The axillary arch is a rare axillary abnormality described as a slim muscular slip extending from the latissimus dorsi to the pectoralis major muscles. This arch has been indicated as the main reason for hyper-abduction syndrome and neurovascular compression in the axillary region. Case presentation: During the dissection of the right axillary cavity of a 74-year-old man for medical students, a case of the axillary arch was found, arising from the lateral border of the latissimus dorsi muscle and terminating in the pectoralis major tendon and the fascia covering the coracobrachialis muscle. Conclusion: Since this variation has not been reported in our country so far, this study can help surgeons to have a better understanding of anatomy and the prevalence of this structure. This muscle can be clinically important in axillary surgeries; due to its influences on the brachial plexus and axillary vessels, covering lymph nodes and altering local anatomy.
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spelling doaj.art-29692a4b79e64ab7b46ea12ca7646fc52023-06-06T04:00:56ZengElsevierTranslational Research in Anatomy2214-854X2023-06-0131100244The observation of an axillary arch during dissection: A case reportMohammad Ebrahim Astaneh0Fatemeh Rezaei-Tazangi1Mohammad Reza Astaneh2Reza Arefnezhad3Department of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, IranDepartment of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, IranDepartment of Anatomy, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran; Corresponding author.Coenzyme R Research Institute, Tehran, Iran; Student Research Committee, Shiraz University of Medical Sciences, Shiraz, IranBackground: The axillary arch is a rare axillary abnormality described as a slim muscular slip extending from the latissimus dorsi to the pectoralis major muscles. This arch has been indicated as the main reason for hyper-abduction syndrome and neurovascular compression in the axillary region. Case presentation: During the dissection of the right axillary cavity of a 74-year-old man for medical students, a case of the axillary arch was found, arising from the lateral border of the latissimus dorsi muscle and terminating in the pectoralis major tendon and the fascia covering the coracobrachialis muscle. Conclusion: Since this variation has not been reported in our country so far, this study can help surgeons to have a better understanding of anatomy and the prevalence of this structure. This muscle can be clinically important in axillary surgeries; due to its influences on the brachial plexus and axillary vessels, covering lymph nodes and altering local anatomy.http://www.sciencedirect.com/science/article/pii/S2214854X23000134Anatomical variationLanger muscleLatissimus dorsi musclePectoralis major muscleAxillary arch
spellingShingle Mohammad Ebrahim Astaneh
Fatemeh Rezaei-Tazangi
Mohammad Reza Astaneh
Reza Arefnezhad
The observation of an axillary arch during dissection: A case report
Translational Research in Anatomy
Anatomical variation
Langer muscle
Latissimus dorsi muscle
Pectoralis major muscle
Axillary arch
title The observation of an axillary arch during dissection: A case report
title_full The observation of an axillary arch during dissection: A case report
title_fullStr The observation of an axillary arch during dissection: A case report
title_full_unstemmed The observation of an axillary arch during dissection: A case report
title_short The observation of an axillary arch during dissection: A case report
title_sort observation of an axillary arch during dissection a case report
topic Anatomical variation
Langer muscle
Latissimus dorsi muscle
Pectoralis major muscle
Axillary arch
url http://www.sciencedirect.com/science/article/pii/S2214854X23000134
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