Anatomic Position of the Asterion and Implication for Neurosurgical Procedure

SUMMARY: The asterion is the joining of the lambdoid, parietomastoid, and occipitomastoid sutures. It is classified into two types, type I shows small bones or woven bones, while in type II, woven bones are non-existent. In this study, forty cadavers were conducted and observed the asterion on both...

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Autores principales:	Wirakiat,Wimon, Kaewborisutsakul,Anukoon, Kankuan-Kaewborisutsakul,Wilairat
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2021
Materias:	Asterion Skull Dural venous sinus Cadave Thais
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501429
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spelling	oai:scielo:S0717-950220210005014292021-10-19Anatomic Position of the Asterion and Implication for Neurosurgical ProcedureWirakiat,WimonKaewborisutsakul,AnukoonKankuan-Kaewborisutsakul,Wilairat Asterion Skull Dural venous sinus Cadave Thais SUMMARY: The asterion is the joining of the lambdoid, parietomastoid, and occipitomastoid sutures. It is classified into two types, type I shows small bones or woven bones, while in type II, woven bones are non-existent. In this study, forty cadavers were conducted and observed the asterion on both sides of skulls showing the approximate ratio of type II and type I was 3:2. The asterion was located by measuring the distances from the asterion to skull landmarks, including inion, the root of zygoma, and mastoid tip. The mean distance between asterion and inion was 62.9 ? 6.0 mm. The mean distance between asterion and the root of zygomatic arch was 58.3 ? 6.1 mm, whereas the mean distance between asterion and mastoid tip was 51.1 ? 5.3 mm. The most common location related to the asterion was the dural venous sinuses on 65 % of tested sides, followed by infratentorial dura and supratentorial dura (25 % and 10 %, respectively). However, the authors found no differences between sexes, sides, and types in any underlying structures.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=S0717-95022021000501429en10.4067/S0717-95022021000501429
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Asterion Skull Dural venous sinus Cadave Thais
spellingShingle	Asterion Skull Dural venous sinus Cadave Thais Wirakiat,Wimon Kaewborisutsakul,Anukoon Kankuan-Kaewborisutsakul,Wilairat Anatomic Position of the Asterion and Implication for Neurosurgical Procedure
description	SUMMARY: The asterion is the joining of the lambdoid, parietomastoid, and occipitomastoid sutures. It is classified into two types, type I shows small bones or woven bones, while in type II, woven bones are non-existent. In this study, forty cadavers were conducted and observed the asterion on both sides of skulls showing the approximate ratio of type II and type I was 3:2. The asterion was located by measuring the distances from the asterion to skull landmarks, including inion, the root of zygoma, and mastoid tip. The mean distance between asterion and inion was 62.9 ? 6.0 mm. The mean distance between asterion and the root of zygomatic arch was 58.3 ? 6.1 mm, whereas the mean distance between asterion and mastoid tip was 51.1 ? 5.3 mm. The most common location related to the asterion was the dural venous sinuses on 65 % of tested sides, followed by infratentorial dura and supratentorial dura (25 % and 10 %, respectively). However, the authors found no differences between sexes, sides, and types in any underlying structures.
author	Wirakiat,Wimon Kaewborisutsakul,Anukoon Kankuan-Kaewborisutsakul,Wilairat
author_facet	Wirakiat,Wimon Kaewborisutsakul,Anukoon Kankuan-Kaewborisutsakul,Wilairat
author_sort	Wirakiat,Wimon
title	Anatomic Position of the Asterion and Implication for Neurosurgical Procedure
title_short	Anatomic Position of the Asterion and Implication for Neurosurgical Procedure
title_full	Anatomic Position of the Asterion and Implication for Neurosurgical Procedure
title_fullStr	Anatomic Position of the Asterion and Implication for Neurosurgical Procedure
title_full_unstemmed	Anatomic Position of the Asterion and Implication for Neurosurgical Procedure
title_sort	anatomic position of the asterion and implication for neurosurgical procedure
publisher	Sociedad Chilena de Anatomía
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022021000501429
work_keys_str_mv	AT wirakiatwimon anatomicpositionoftheasterionandimplicationforneurosurgicalprocedure AT kaewborisutsakulanukoon anatomicpositionoftheasterionandimplicationforneurosurgicalprocedure AT kankuankaewborisutsakulwilairat anatomicpositionoftheasterionandimplicationforneurosurgicalprocedure
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Anatomic Position of the Asterion and Implication for Neurosurgical Procedure

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