Diffusion tensor tractography of the temporal stem on the inferior limiting sulcus

Wang, Feng; Sun, Tao; Li, Xinggang; Na-jia, Liu

doi:10.3171/jns/2008/108/4/0775

Cited by 38 publications

(57 citation statements)

References 35 publications

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“…In a recent review Mandelstam (2012) suggests that there may be significant hemispheric asymmetries within individuals and cites studies that have postulated that a leftward asymmetry of the OR may be due to expanded language areas in the left posterior temporal lobe that have displaced the OR on that side (Jeelani et al, 2010;Wang et al, 2008 ).…”

Section: Asymmetry Measurementsmentioning

confidence: 99%

Tractography of Meyer's Loop asymmetries

et al. 2014

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Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Tractography of meyer's loop asymmetries NRC Publications Record / Notice d'Archives des publications de CNRC:http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?action=rtdoc&an=21272153&lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?action=rtdoc&an=21272153&lang=fr READ THESE TERMS AND CONDITIONS CAREFULLY BEFORE USING THIS WEBSITE.http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous n'arrivez pas à les repérer, communiquez avec nous à PublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. Questions?Contact the NRC Publications Archive team at PublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. If you wish to email the authors directly, please see the first page of the publication for their contact information. NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://doi.org/10.1016/j.eplepsyres.2014.03.006Epilepsy Research, 108, 5, pp. 872-882, 2014 Accepted Manuscript This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A c c e p t e d M a n u s c r i p t ABSTRACT Purpose:The purpose of the current study was to use diffusion tensor imaging (DTI) to conduct tractography of the optic radiations (OR) and its component bundles and to assess both the degree of hemispheric asymmetry and the inter-subject variability ofMeyer's Loop (ML). We hypothesized that there are significant left versus right differences in the anterior extent of ML to the temporal pole (TP) in healthy subjects.Materials and Methods: DTI data were acquired on a 3T Siemens MRI system using a single-shot Spin Echo EPI sequence. The dorsal, central and ML bundles of the OR were tracked and visualized in forty hemispheres of twenty healthy volunteers. The uncinate fasciculus (UF) was also tracked in these subjects so that it could be used as a distinct anatomical reference. Measurements were derived for the distance between ML-TP, ML and the temporal horn (ML-TH) and ML and...

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Section: Asymmetry Measurementsmentioning

confidence: 99%

Tractography of Meyer's Loop asymmetries

et al. 2014

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“…It has been considered to have an important role as a reciprocal route of tumor, infection, seizure spread, and a number of disorders including amnesia, traumatic brain injury, Alzheimer disease because of a bridge between the temporal lobe and other regions of the brain 12) . Recently, diffusion tensor imaging tractography and fiber dissection technique which has been very helpful to understand the white matter fibers of the brain, were used to describe the temporal stem 4,5,12,17,18,22,23) . However, the anatomical definition of the temporal stem has shown the inconsistency as in the existing descriptions by several authors.…”

Section: Introductionmentioning

confidence: 99%

A Understanding of the Temporal Stem

Choi

Han

Yee

et al. 2010

J Korean Neurosurg Soc

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Objective : There has been inconsistency about definition of the temporal stem despite of several descriptions demonstrating its microanatomy using fiber dissection and/or diffusion tensor tractography. This study was designed to clarify three dimensional configurations of the temporal stem. Methods : The fronto-temporal regions of several formalin-fixed human cerebral hemispheres were dissected under an operating microscope using the fiber dissection technique. The consecutive coronal cuts of the dissected specimens were made to define the relationships of white matter tracts comprising the temporal stem and the subcortical gray matters (thalamus, caudate nucleus, amygdala) with inferior limiting (circular) sulcus of insula. Results : The inferior limiting sulcus of insula, limen insulae, medial sylvian groove, and caudate nucleus/amygdala were more appropriate anatomical structures than the roof/dorso-lateral wall of the temporal horn and lateral geniculate body which were used to describe previously for delineating the temporal stem. The particular space located inside the line connecting the inferior limiting sulcus of insula, limen insulae, medial sylvian groove/amygdala, and tail of caudate nucleus could be documented. This space included the extreme capsule, uncinate fasciculus, inferior occipito-frontal fasciculus, anterior commissure, ansa peduncularis, and inferior thalamic peduncle including optic radiations, whereas the stria terminalis, cingulum, fimbria, and inferior longitudinal fiber of the temporal lobe were not passing through this space. Also, this continued posteriorly along the caudate nucleus and limiting sulcus of the insula. Conclusion :The temporal stem is white matter fibers passing through a particular space of the temporal lobe located inside the line connecting the inferior limiting sulcus of insula, limen insulae, medial sylvian groove/amygdala, and tail of caudate nucleus. The three dimensional configurations of the temporal stem are expected to give the very useful anatomical and surgical insights in the temporal lobe.

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“…Segundo Ribas (2010), o tronco temporal é composto pela extensão da amígdala e fibras amígdalo-fugais acrescentadas pelas fibras do fascículo uncinado, fascículo fronto-occipital inferior e comissura anterior. Outros autores, incluem dentro do conceito do tronco temporal feixes de fibras que se continuam para o teto e parede lateral do corno temporal do ventrículo lateral (Duvernoy, 1995(Duvernoy, e 1999Kier et al, 2004;Wang et al, 2008).…”

Section: Sob a Superfície Medialunclassified

“…Na região da ínsula, essas fibras constituem a cápsula extrema e se continuam sob o SLI em direção ao opérculo temporal. Outros autores encontraram a mesma disposição dessas fibras (Ture et al, 1999(Ture et al, e 2000FernandezMiranda et al, 2008a;Wang et al, 2008), porém não há relatos na literatura acerca da função cerebral ou da relação da lesão dessas fibras com déficits neurológicos.…”

Section: Análise Topográfica Do Compartimento Subcortical Entre O Sliunclassified

“…Sua trajetória foi encontrada com origem nas regiões fronto-orbitária e inferolateral do lobo frontal, sob a parte anteroinferior da ínsula, e terminando em direção ao polo temporal. A trajetória e disposição encontrada de suas fibras também estão de acordo com a literatura (Ture et al, 1999(Ture et al, e 2000Fernandez-Miranda et al, 2008a;Wang et al, 2008).…”

Section: Análise Topográfica Do Compartimento Subcortical Entre O Sliunclassified

Diffusion tensor tractography of the temporal stem on the inferior limiting sulcus

Cited by 38 publications

References 35 publications

Tractography of Meyer's Loop asymmetries

Tractography of Meyer's Loop asymmetries

A Understanding of the Temporal Stem

Anatomia microcirúrgica da região do sulco limitante inferior da ínsula

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