Brain Structural Damage in Spinocerebellar Ataxia Type 2. A Voxel-Based Morphometry Study
Identifieur interne : 003947 ( Main/Merge ); précédent : 003946; suivant : 003948Brain Structural Damage in Spinocerebellar Ataxia Type 2. A Voxel-Based Morphometry Study
Auteurs : Riccardo Delia Nave [Italie] ; Andrea Ginestroni [Italie] ; Carlo Tessa [Italie] ; Mirco Cosottini [Italie] ; Marco Giannelli [Italie] ; Elena Salvatore [Italie] ; Ferdinando Sartucci [Italie] ; Giuseppe De Michele [Italie] ; Maria Teresa Dotti [Italie] ; Silvia Piacentini [Italie] ; Mario Mascalchi [Italie]Source :
- Movement disorders [ 0885-3185 ] ; 2008.
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Abstract
Voxel-based morphometry (VBM) enables an unbiased in-vivo whole-brain quantitative analysis of differences in gray matter (GM), white matter (WM) and cerebro-spinal fluid (CSF) volumes. We assessed with VBM 20 spinocerebellar ataxia Type 2 (SCA2) patients with mild or moderate cerebellar deficit and 20 age and sex-matched healthy controls. SCA2 patients showed a significant (P < 0.05 corrected for multiple comparison) symmetric loss of GM in the cerebellar vermis and hemispheres sparing lobules I,II, Crus II,VII, and X, and of the WM in the peridentate region, middle cerebellar peduncles, dorsal pons, and cerebral peduncles. The CSF volume was increased in the posterior cranial fossa. No GM, WM or CSF volume changes were observed in the supratentorial compartment. A mild (P < 0.05, >0.01) correlation was observed between the GM and WM loss and severity of the neurological deficit. In SCA2 patients with mild to moderate cerebellar deficit, GM and WM volume loss and CSF volume increase are confined to the posterior cranial fossa.
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Brain Structural Damage in Spinocerebellar Ataxia Type 2. A Voxel-Based Morphometry Study</title>
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<author><name sortKey="Salvatore, Elena" sort="Salvatore, Elena" uniqKey="Salvatore E" first="Elena" last="Salvatore">Elena Salvatore</name>
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<author><name sortKey="Sartucci, Ferdinando" sort="Sartucci, Ferdinando" uniqKey="Sartucci F" first="Ferdinando" last="Sartucci">Ferdinando Sartucci</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Clinical Neurology, Department of Neuroscience, Univeristy of Pisa</s1>
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<author><name sortKey="De Michele, Giuseppe" sort="De Michele, Giuseppe" uniqKey="De Michele G" first="Giuseppe" last="De Michele">Giuseppe De Michele</name>
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<author><name sortKey="Dotti, Maria Teresa" sort="Dotti, Maria Teresa" uniqKey="Dotti M" first="Maria Teresa" last="Dotti">Maria Teresa Dotti</name>
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<author><name sortKey="Piacentini, Silvia" sort="Piacentini, Silvia" uniqKey="Piacentini S" first="Silvia" last="Piacentini">Silvia Piacentini</name>
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<s2>Florence</s2>
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<author><name sortKey="Mascalchi, Mario" sort="Mascalchi, Mario" uniqKey="Mascalchi M" first="Mario" last="Mascalchi">Mario Mascalchi</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Radiodiagnostic Section, Department of Clinical Physiopathology, University of Florence</s1>
<s2>Florence</s2>
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<series><title level="j" type="main">Movement disorders</title>
<title level="j" type="abbreviated">Mov. disord.</title>
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<seriesStmt><title level="j" type="main">Movement disorders</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cerebral disorder</term>
<term>Morphometry</term>
<term>Nervous system diseases</term>
<term>Nuclear magnetic resonance imaging</term>
<term>Spinocerebellar ataxia</term>
<term>Voxel</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Pathologie de l'encéphale</term>
<term>Pathologie du système nerveux</term>
<term>Ataxie spinocérébelleuse</term>
<term>Voxel</term>
<term>Morphométrie</term>
<term>Imagerie RMN</term>
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<front><div type="abstract" xml:lang="en">Voxel-based morphometry (VBM) enables an unbiased in-vivo whole-brain quantitative analysis of differences in gray matter (GM), white matter (WM) and cerebro-spinal fluid (CSF) volumes. We assessed with VBM 20 spinocerebellar ataxia Type 2 (SCA2) patients with mild or moderate cerebellar deficit and 20 age and sex-matched healthy controls. SCA2 patients showed a significant (P < 0.05 corrected for multiple comparison) symmetric loss of GM in the cerebellar vermis and hemispheres sparing lobules I,II, Crus II,VII, and X, and of the WM in the peridentate region, middle cerebellar peduncles, dorsal pons, and cerebral peduncles. The CSF volume was increased in the posterior cranial fossa. No GM, WM or CSF volume changes were observed in the supratentorial compartment. A mild (P < 0.05, >0.01) correlation was observed between the GM and WM loss and severity of the neurological deficit. In SCA2 patients with mild to moderate cerebellar deficit, GM and WM volume loss and CSF volume increase are confined to the posterior cranial fossa.</div>
</front>
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<affiliations><list><country><li>Italie</li>
</country>
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<tree><country name="Italie"><noRegion><name sortKey="Nave, Riccardo Delia" sort="Nave, Riccardo Delia" uniqKey="Nave R" first="Riccardo Delia" last="Nave">Riccardo Delia Nave</name>
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<name sortKey="Dotti, Maria Teresa" sort="Dotti, Maria Teresa" uniqKey="Dotti M" first="Maria Teresa" last="Dotti">Maria Teresa Dotti</name>
<name sortKey="Giannelli, Marco" sort="Giannelli, Marco" uniqKey="Giannelli M" first="Marco" last="Giannelli">Marco Giannelli</name>
<name sortKey="Ginestroni, Andrea" sort="Ginestroni, Andrea" uniqKey="Ginestroni A" first="Andrea" last="Ginestroni">Andrea Ginestroni</name>
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<name sortKey="Piacentini, Silvia" sort="Piacentini, Silvia" uniqKey="Piacentini S" first="Silvia" last="Piacentini">Silvia Piacentini</name>
<name sortKey="Salvatore, Elena" sort="Salvatore, Elena" uniqKey="Salvatore E" first="Elena" last="Salvatore">Elena Salvatore</name>
<name sortKey="Sartucci, Ferdinando" sort="Sartucci, Ferdinando" uniqKey="Sartucci F" first="Ferdinando" last="Sartucci">Ferdinando Sartucci</name>
<name sortKey="Tessa, Carlo" sort="Tessa, Carlo" uniqKey="Tessa C" first="Carlo" last="Tessa">Carlo Tessa</name>
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