Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus

The axillary arch can be described as an anomalous muscular slip of latissimus dorsi muscle. In this paper, a rare case of bilateral axillary arch is reported during routine dissection of the axillary region of a 57-year old male cadaver. On both sides, the axillary arch muscle took origin from lati...

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Autores principales:	Pillay,Minnie, Jacob,Suja Mary
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2009
Materias:	Axillary arch muscle Posterior cord of brachial plexus Axillary anatomy
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400015
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spelling	oai:scielo:S0717-950220090004000152010-05-18Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial PlexusPillay,MinnieJacob,Suja Mary Axillary arch muscle Posterior cord of brachial plexus Axillary anatomy The axillary arch can be described as an anomalous muscular slip of latissimus dorsi muscle. In this paper, a rare case of bilateral axillary arch is reported during routine dissection of the axillary region of a 57-year old male cadaver. On both sides, the axillary arch muscle took origin from latissimus dorsi and teres major, and passed upwards through the posterior cord of the brachial plexus, but posterior to the bulk of axillary neurovascular bundle. It then split into two slips: the medial slip was inserted into the root of the coracoid process, while the lateral slip which was intracapsular, was attached to the lesser tubercle, above the attachment of subscapularis. The presence of the muscle has important clinical implications, and the position, bilateral presence, penetration of the posterior cord, and multiple connective tissue attachments makes the case most unique. The anatomy, surgical implications, and embryology of the anomalous muscle are discussed in this paper.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.27 n.4 20092009-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400015en10.4067/S0717-95022009000400015
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Axillary arch muscle Posterior cord of brachial plexus Axillary anatomy
spellingShingle	Axillary arch muscle Posterior cord of brachial plexus Axillary anatomy Pillay,Minnie Jacob,Suja Mary Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus
description	The axillary arch can be described as an anomalous muscular slip of latissimus dorsi muscle. In this paper, a rare case of bilateral axillary arch is reported during routine dissection of the axillary region of a 57-year old male cadaver. On both sides, the axillary arch muscle took origin from latissimus dorsi and teres major, and passed upwards through the posterior cord of the brachial plexus, but posterior to the bulk of axillary neurovascular bundle. It then split into two slips: the medial slip was inserted into the root of the coracoid process, while the lateral slip which was intracapsular, was attached to the lesser tubercle, above the attachment of subscapularis. The presence of the muscle has important clinical implications, and the position, bilateral presence, penetration of the posterior cord, and multiple connective tissue attachments makes the case most unique. The anatomy, surgical implications, and embryology of the anomalous muscle are discussed in this paper.
author	Pillay,Minnie Jacob,Suja Mary
author_facet	Pillay,Minnie Jacob,Suja Mary
author_sort	Pillay,Minnie
title	Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus
title_short	Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus
title_full	Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus
title_fullStr	Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus
title_full_unstemmed	Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus
title_sort	bilateral presence of axillary arch muscle passing through the posterior cord of the brachial plexus
publisher	Sociedad Chilena de Anatomía
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000400015
work_keys_str_mv	AT pillayminnie bilateralpresenceofaxillaryarchmusclepassingthroughtheposteriorcordofthebrachialplexus AT jacobsujamary bilateralpresenceofaxillaryarchmusclepassingthroughtheposteriorcordofthebrachialplexus
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Bilateral Presence of Axillary Arch Muscle Passing Through the Posterior Cord of the Brachial Plexus

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