Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report

SUMMARY: During routine anatomical dissection of the left supraclavicular and infraclavicular regions of a male cadaver, a supernumerary muscle was observed, which, by its position and insertions, consistent with the subclavius posticus muscle (posterior subclavius muscle). It had its anterior inser...

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Autores principales:	Joaquín-Moyano,Pablo, Capurro,Martina, Apa,Sebastián Nicolás, Albanese,Eduardo Francisco
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2018
Materias:	Subclavius posticus muscle Thoracic outlet syndrome Anatomic variation Aberrant muscle Subclavius muscle Suprascapular region
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000100022
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spelling	oai:scielo:S0717-950220180001000222019-09-16Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case ReportJoaquín-Moyano,PabloCapurro,MartinaApa,Sebastián NicolásAlbanese,Eduardo Francisco Subclavius posticus muscle Thoracic outlet syndrome Anatomic variation Aberrant muscle Subclavius muscle Suprascapular region SUMMARY: During routine anatomical dissection of the left supraclavicular and infraclavicular regions of a male cadaver, a supernumerary muscle was observed, which, by its position and insertions, consistent with the subclavius posticus muscle (posterior subclavius muscle). It had its anterior insertion by a thin tendon in the cranial surface of the first costal cartilage next to the subclavius muscle’s insertion, and ran dorso-laterally crossing over the brachial plexus and subclavian vessels to end on the posterior surface of the serratus anterior muscle’s fascia near to the superior margin of the scapula, without taking insertion on it, which differentiates it from the muscles described in the bibliography. This aberrant muscle has clinical implication since it has been described as a cause of thoracic outlet syndrome and it may appear in diagnostic imaging techniques simulating different pathological processes.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.36 n.1 20182018-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000100022en10.4067/S0717-95022018000100022
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Subclavius posticus muscle Thoracic outlet syndrome Anatomic variation Aberrant muscle Subclavius muscle Suprascapular region
spellingShingle	Subclavius posticus muscle Thoracic outlet syndrome Anatomic variation Aberrant muscle Subclavius muscle Suprascapular region Joaquín-Moyano,Pablo Capurro,Martina Apa,Sebastián Nicolás Albanese,Eduardo Francisco Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report
description	SUMMARY: During routine anatomical dissection of the left supraclavicular and infraclavicular regions of a male cadaver, a supernumerary muscle was observed, which, by its position and insertions, consistent with the subclavius posticus muscle (posterior subclavius muscle). It had its anterior insertion by a thin tendon in the cranial surface of the first costal cartilage next to the subclavius muscle’s insertion, and ran dorso-laterally crossing over the brachial plexus and subclavian vessels to end on the posterior surface of the serratus anterior muscle’s fascia near to the superior margin of the scapula, without taking insertion on it, which differentiates it from the muscles described in the bibliography. This aberrant muscle has clinical implication since it has been described as a cause of thoracic outlet syndrome and it may appear in diagnostic imaging techniques simulating different pathological processes.
author	Joaquín-Moyano,Pablo Capurro,Martina Apa,Sebastián Nicolás Albanese,Eduardo Francisco
author_facet	Joaquín-Moyano,Pablo Capurro,Martina Apa,Sebastián Nicolás Albanese,Eduardo Francisco
author_sort	Joaquín-Moyano,Pablo
title	Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report
title_short	Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report
title_full	Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report
title_fullStr	Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report
title_full_unstemmed	Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report
title_sort	subclavius posticus muscle with anomalous posterior insertion: case report
publisher	Sociedad Chilena de Anatomía
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022018000100022
work_keys_str_mv	AT joaquinmoyanopablo subclaviusposticusmusclewithanomalousposteriorinsertioncasereport AT capurromartina subclaviusposticusmusclewithanomalousposteriorinsertioncasereport AT apasebastiannicolas subclaviusposticusmusclewithanomalousposteriorinsertioncasereport AT albaneseeduardofrancisco subclaviusposticusmusclewithanomalousposteriorinsertioncasereport
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Subclavius Posticus Muscle with Anomalous Posterior Insertion: Case Report

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