Extraforaminal Intraradicular Disc Herniation. Case Report

Background data: The intraradicular penetration of a disc fragment was first reported in 1984 and is much less frequent than the intradural disc herniation. Both types of disc herniation are predominantly found in lumbar spine and rarely in the thoracic and cervical spine. The pathogenesis of lumbar...

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Autores principales:	Joerg Silbermann, Yasser Allam
Formato:	article
Lenguaje:	EN
Publicado:	Egyptian Spine Association 2012
Materias:	Intradural intraradicular extraforaminal disc herniation Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/c9e2b7b1ddea44c2aeb11c432a35e29b
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spelling	oai:doaj.org-article:c9e2b7b1ddea44c2aeb11c432a35e29b2021-12-02T09:41:38ZExtraforaminal Intraradicular Disc Herniation. Case ReportDOI:10.21608/ESJ.2012.37622314-89502314-8969https://doaj.org/article/c9e2b7b1ddea44c2aeb11c432a35e29b2012-01-01T00:00:00Zhttp://esj.journals.ekb.eg/article_3762.htmlhttps://doaj.org/toc/2314-8950https://doaj.org/toc/2314-8969Background data: The intraradicular penetration of a disc fragment was first reported in 1984 and is much less frequent than the intradural disc herniation. Both types of disc herniation are predominantly found in lumbar spine and rarely in the thoracic and cervical spine. The pathogenesis of lumbar intradural disc herniation is most likely related to dense adhesions between the ventral dura mater and the posterior longitudinal ligament. The adhesions can apparently result either from repeated minor trauma or from prior surgery.Purpose: In this report, the authors presented the first case of extraforaminal intraradicular disc herniation, which was at first misdiagnosed as a schwannoma, and suggested a new classification for the intradural disc herniations.Study design: Case report.Methods: Clinical and radiological examination of a case of extraforaminal intraradicular disc herniation is presented.Results: In our case the MRI had shown an extraforaminal lesion at the region of L3. As the possibility of extraforaminal intraradicular disc herniation is very remote, the diagnosis of schwannoma was made. However, the diagnosis was then proved by histopathology to be intraradicular disc herniation. Because of this new category of intraradicular disc herniation, we modified the classification of intradural disc herniation into type A: intradural disc herniation (IDH); type B: Intraforaminal intraradicular disc herniation (IIDH); and type C: Extraforaminal intraradicular disc herniation (EIDH).Conclusions: When the diagnosis is suspected of an extraforaminal nerve root tumor,we should not forget the possibility of intraradicular disc herniation and the removed material should be sent to the histopathological examination to confirm the diagnosis. (2012ESJ001)Joerg Silbermann Yasser AllamEgyptian Spine AssociationarticleIntraduralintraradicularextraforaminaldisc herniationNeurology. Diseases of the nervous systemRC346-429ENEgyptian Spine Journal, Vol 1, Iss 1, Pp 57-60 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Intradural intraradicular extraforaminal disc herniation Neurology. Diseases of the nervous system RC346-429
spellingShingle	Intradural intraradicular extraforaminal disc herniation Neurology. Diseases of the nervous system RC346-429 Joerg Silbermann Yasser Allam Extraforaminal Intraradicular Disc Herniation. Case Report
description	Background data: The intraradicular penetration of a disc fragment was first reported in 1984 and is much less frequent than the intradural disc herniation. Both types of disc herniation are predominantly found in lumbar spine and rarely in the thoracic and cervical spine. The pathogenesis of lumbar intradural disc herniation is most likely related to dense adhesions between the ventral dura mater and the posterior longitudinal ligament. The adhesions can apparently result either from repeated minor trauma or from prior surgery.Purpose: In this report, the authors presented the first case of extraforaminal intraradicular disc herniation, which was at first misdiagnosed as a schwannoma, and suggested a new classification for the intradural disc herniations.Study design: Case report.Methods: Clinical and radiological examination of a case of extraforaminal intraradicular disc herniation is presented.Results: In our case the MRI had shown an extraforaminal lesion at the region of L3. As the possibility of extraforaminal intraradicular disc herniation is very remote, the diagnosis of schwannoma was made. However, the diagnosis was then proved by histopathology to be intraradicular disc herniation. Because of this new category of intraradicular disc herniation, we modified the classification of intradural disc herniation into type A: intradural disc herniation (IDH); type B: Intraforaminal intraradicular disc herniation (IIDH); and type C: Extraforaminal intraradicular disc herniation (EIDH).Conclusions: When the diagnosis is suspected of an extraforaminal nerve root tumor,we should not forget the possibility of intraradicular disc herniation and the removed material should be sent to the histopathological examination to confirm the diagnosis. (2012ESJ001)
format	article
author	Joerg Silbermann Yasser Allam
author_facet	Joerg Silbermann Yasser Allam
author_sort	Joerg Silbermann
title	Extraforaminal Intraradicular Disc Herniation. Case Report
title_short	Extraforaminal Intraradicular Disc Herniation. Case Report
title_full	Extraforaminal Intraradicular Disc Herniation. Case Report
title_fullStr	Extraforaminal Intraradicular Disc Herniation. Case Report
title_full_unstemmed	Extraforaminal Intraradicular Disc Herniation. Case Report
title_sort	extraforaminal intraradicular disc herniation. case report
publisher	Egyptian Spine Association
publishDate	2012
url	https://doaj.org/article/c9e2b7b1ddea44c2aeb11c432a35e29b
work_keys_str_mv	AT joergsilbermann extraforaminalintraradiculardischerniationcasereport AT yasserallam extraforaminalintraradiculardischerniationcasereport
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Extraforaminal Intraradicular Disc Herniation. Case Report

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