Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study

SUMMARY: Sonographic identification of suprascapular nerve (SSN) is essential for diagnosis of suprascapular neuropathy and ultrasound-guided suprascapular nerve block. This study aims to demonstrate the accuracy of identification of SSN at supraclavicular region by ultrasonography in fresh cadavers...

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Autores principales:	Maikong,Naraporn, Kantakam,Perada, Leurcharusmee,Prangmalee, Sinthubua,Apichat, Mahakkanukrauh,Pasuk
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	Suprascapular nerve Supraclavicular region Sonography Cadaveric study
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501473
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spelling	oai:scielo:S0717-950220210005014732021-10-19Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric StudyMaikong,NarapornKantakam,PeradaLeurcharusmee,PrangmaleeSinthubua,ApichatMahakkanukrauh,Pasuk Suprascapular nerve Supraclavicular region Sonography Cadaveric study SUMMARY: Sonographic identification of suprascapular nerve (SSN) is essential for diagnosis of suprascapular neuropathy and ultrasound-guided suprascapular nerve block. This study aims to demonstrate the accuracy of identification of SSN at supraclavicular region by ultrasonography in fresh cadavers. Ninety-three posterior cervical triangles were examined. With ultrasonography, SSN emerging from the upper trunk of brachial plexus was identified and followed until it passed underneath the inferior belly of omohyoid muscle. Sonographic visualization of SSN in supraclavicular fossa was recorded. Then, cadaveric dissection was performed to determine the presence or absence of SSN. An agreement between sonographic identification and direct visualization was specified and categorized the following three patterns: “correctly identified” (pattern I), “incorrectly identified” (pattern II), and “unidentified” (pattern III). The identification of SSN using sonography was correct in almost 90 %. The diameter of SSN with pattern I was the largest compared to those of other two patterns. In pattern I, SSN ran laterally from the upper trunk of brachial plexus and passed underneath the inferior belly of omohyoid muscle. Therefore, SSN was easily identified under ultrasonography. In pattern II, nerve identified by ultrasonography was literally the dorsal scapular nerve. In pattern III, SSN was unable to be identified because of its anatomical variation. The accuracy of ultrasonographic identification of SSN at supraclavicular fossa is high and the key sonoanatomical landmarks are the lateral margin of brachial plexus and the inferior belly of omohyoid muscle. The anatomical variants of SSN are reasons of incorrect or unable identification of SSN under ultrasonography.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.39 n.5 20212021-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501473en10.4067/S0717-95022021000501473
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Suprascapular nerve Supraclavicular region Sonography Cadaveric study
spellingShingle	Suprascapular nerve Supraclavicular region Sonography Cadaveric study Maikong,Naraporn Kantakam,Perada Leurcharusmee,Prangmalee Sinthubua,Apichat Mahakkanukrauh,Pasuk Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study
description	SUMMARY: Sonographic identification of suprascapular nerve (SSN) is essential for diagnosis of suprascapular neuropathy and ultrasound-guided suprascapular nerve block. This study aims to demonstrate the accuracy of identification of SSN at supraclavicular region by ultrasonography in fresh cadavers. Ninety-three posterior cervical triangles were examined. With ultrasonography, SSN emerging from the upper trunk of brachial plexus was identified and followed until it passed underneath the inferior belly of omohyoid muscle. Sonographic visualization of SSN in supraclavicular fossa was recorded. Then, cadaveric dissection was performed to determine the presence or absence of SSN. An agreement between sonographic identification and direct visualization was specified and categorized the following three patterns: “correctly identified” (pattern I), “incorrectly identified” (pattern II), and “unidentified” (pattern III). The identification of SSN using sonography was correct in almost 90 %. The diameter of SSN with pattern I was the largest compared to those of other two patterns. In pattern I, SSN ran laterally from the upper trunk of brachial plexus and passed underneath the inferior belly of omohyoid muscle. Therefore, SSN was easily identified under ultrasonography. In pattern II, nerve identified by ultrasonography was literally the dorsal scapular nerve. In pattern III, SSN was unable to be identified because of its anatomical variation. The accuracy of ultrasonographic identification of SSN at supraclavicular fossa is high and the key sonoanatomical landmarks are the lateral margin of brachial plexus and the inferior belly of omohyoid muscle. The anatomical variants of SSN are reasons of incorrect or unable identification of SSN under ultrasonography.
author	Maikong,Naraporn Kantakam,Perada Leurcharusmee,Prangmalee Sinthubua,Apichat Mahakkanukrauh,Pasuk
author_facet	Maikong,Naraporn Kantakam,Perada Leurcharusmee,Prangmalee Sinthubua,Apichat Mahakkanukrauh,Pasuk
author_sort	Maikong,Naraporn
title	Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study
title_short	Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study
title_full	Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study
title_fullStr	Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study
title_full_unstemmed	Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study
title_sort	accuracy of sonographic identification of suprascapular nerve at supraclavicular fossa: a cadaveric study
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501473
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_version_	1718445218925117440

Accuracy of Sonographic Identification of Suprascapular Nerve at Supraclavicular Fossa: A Cadaveric Study

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