Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line

Posterior antebrachial cutaneous nerve (PACN) is a branch of radial nerve supplying the skin of posterior forearm. Data regarding its anatomy remain insufficient especially the origin and number of branches. We dissected 101 upper extremities from 32 male and 20 female cadavers to expose the PACN. I...

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Autores principales:	Chodewaratham,Pathidta, Chentanez,Vilai, Agthong,Sithiporn, Huanmanop,Thanasil
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2016
Materias:	Posterior antebrachial cutaneous nerve Lateral epicondyle Interepicondylar line Anatomy
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300023
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spelling	oai:scielo:S0717-950220160003000232016-11-17Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar LineChodewaratham,PathidtaChentanez,VilaiAgthong,SithipornHuanmanop,Thanasil Posterior antebrachial cutaneous nerve Lateral epicondyle Interepicondylar line Anatomy Posterior antebrachial cutaneous nerve (PACN) is a branch of radial nerve supplying the skin of posterior forearm. Data regarding its anatomy remain insufficient especially the origin and number of branches. We dissected 101 upper extremities from 32 male and 20 female cadavers to expose the PACN. In all specimens, the nerve emerged from the deep fascia at the hiatus proximal to the interepicondylar line (IEL) with mean distances of 7.24 and 7.44 cm in males and females, respectively. Percentage of this distance to the arm length was 23.2 % and 26.1 % in males and females, respectively. After penetrating the deep fascia, the PACN coursed in the subcutaneous layer and crossed the IEL anterior to the lateral epicondyle (LE) in all cases. The mean distances from the crossing point to the LE along the IEL were 1.52 cm in males and 1.34 cm in females. Regarding the branches of PACN, at least 50 % of the specimens had up to 3 or 4 branches originating either proximal or distal to the hiatus. In two arms, one of these branches passed posterior to the LE. Moreover, there were communicating branches between the PACN and the lateral antebrachial cutaneous nerve in 9 specimens. Gender and side differences were found in some measurement parameters. These data are crucial for avoiding the PACN injury during surgical procedures around the elbow.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.34 n.3 20162016-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300023en10.4067/S0717-95022016000300023
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Posterior antebrachial cutaneous nerve Lateral epicondyle Interepicondylar line Anatomy
spellingShingle	Posterior antebrachial cutaneous nerve Lateral epicondyle Interepicondylar line Anatomy Chodewaratham,Pathidta Chentanez,Vilai Agthong,Sithiporn Huanmanop,Thanasil Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line
description	Posterior antebrachial cutaneous nerve (PACN) is a branch of radial nerve supplying the skin of posterior forearm. Data regarding its anatomy remain insufficient especially the origin and number of branches. We dissected 101 upper extremities from 32 male and 20 female cadavers to expose the PACN. In all specimens, the nerve emerged from the deep fascia at the hiatus proximal to the interepicondylar line (IEL) with mean distances of 7.24 and 7.44 cm in males and females, respectively. Percentage of this distance to the arm length was 23.2 % and 26.1 % in males and females, respectively. After penetrating the deep fascia, the PACN coursed in the subcutaneous layer and crossed the IEL anterior to the lateral epicondyle (LE) in all cases. The mean distances from the crossing point to the LE along the IEL were 1.52 cm in males and 1.34 cm in females. Regarding the branches of PACN, at least 50 % of the specimens had up to 3 or 4 branches originating either proximal or distal to the hiatus. In two arms, one of these branches passed posterior to the LE. Moreover, there were communicating branches between the PACN and the lateral antebrachial cutaneous nerve in 9 specimens. Gender and side differences were found in some measurement parameters. These data are crucial for avoiding the PACN injury during surgical procedures around the elbow.
author	Chodewaratham,Pathidta Chentanez,Vilai Agthong,Sithiporn Huanmanop,Thanasil
author_facet	Chodewaratham,Pathidta Chentanez,Vilai Agthong,Sithiporn Huanmanop,Thanasil
author_sort	Chodewaratham,Pathidta
title	Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line
title_short	Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line
title_full	Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line
title_fullStr	Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line
title_full_unstemmed	Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line
title_sort	anatomy of posterior antebrachial cutaneous nerve related to the lateral epicondyle and interepicondylar line
publisher	Sociedad Chilena de Anatomía
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022016000300023
work_keys_str_mv	AT chodewarathampathidta anatomyofposteriorantebrachialcutaneousnerverelatedtothelateralepicondyleandinterepicondylarline AT chentanezvilai anatomyofposteriorantebrachialcutaneousnerverelatedtothelateralepicondyleandinterepicondylarline AT agthongsithiporn anatomyofposteriorantebrachialcutaneousnerverelatedtothelateralepicondyleandinterepicondylarline AT huanmanopthanasil anatomyofposteriorantebrachialcutaneousnerverelatedtothelateralepicondyleandinterepicondylarline
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Anatomy of Posterior Antebrachial Cutaneous Nerve Related to the Lateral Epicondyle and Interepicondylar Line

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