Neuroimaging in basal ganglia disorders: Perspectives for transcranial ultrasound
Identifieur interne : 004743 ( Main/Exploration ); précédent : 004742; suivant : 004744Neuroimaging in basal ganglia disorders: Perspectives for transcranial ultrasound
Auteurs : Georg Becker [Allemagne] ; Daniela Berg [Allemagne]Source :
- Movement Disorders [ 0885-3185 ] ; 2001-01.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Basal Ganglia Diseases (ultrasonography), Basal ganglion, Brain (pathology), Depression (complications), Dystonia, Dystonia (ultrasonography), Echography, Exploration, Human, Humans, Huntington Disease (ultrasonography), Huntington disease, Magnetic Resonance Imaging, Parkinson Disease (complications), Parkinson Disease (ultrasonography), Parkinson disease, Review, Transcranial route, Ultrasonography, Doppler, Transcranial.
- MESH :
- complications : Depression, Parkinson Disease.
- pathology : Brain.
- ultrasonography : Basal Ganglia Diseases, Dystonia, Huntington Disease, Parkinson Disease.
- Humans, Magnetic Resonance Imaging, Ultrasonography, Doppler, Transcranial.
Abstract
Transcranial sonography is a new diagnostic tool, allowing not only the evaluation of cerebral arteries but also the two‐dimensional display of the brain parenchyma. In this review we will summarize basics of the application, the ultrasound anatomy of the brain and sonographic findings in some movement disorders. While in normal adults basal ganglia nuclei are hypoechogenic, they are hyperechogenic in certain basal ganglia disorders. In Parkinson's disease, for example, the substantia nigra can be depicted as a distinctly echogenic area. An elevated echogenicity of the lentiform nuclei was noticed in patients with primary adult‐onset dystonia. In both disorders the altered echogenicity may arise from higher heavy metal tissue content (i.e. iron in Parkinson's disease and copper in primary dystonia). Our findings converge to the hypothesis that transcranial ultrasound sensitively detects pathological metal accumulation not identified by other neuroimaging techniques (CT and MRI) and therefore provides new insights in the diagnosis of basal ganglia disorders. The implications of these findings for the understanding of the pathogenesis and its usefulness for the early diagnosis of movement disorders are outlined. Mov. Disord. 16:23–32, 2001. © 2001 Movement Disorder Society.
Url:
DOI: 10.1002/1531-8257(200101)16:1<23::AID-MDS1003>3.0.CO;2-2
Affiliations:
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Le document en format XML
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>John Wiley & Sons, Inc.</publisher><pubPlace>New York</pubPlace><date type="published" when="2001-01">2001-01</date><biblScope unit="vol">16</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="23">23</biblScope><biblScope unit="page" to="32">32</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">FA3F2F2C22E4146427352102FB43FE81CC8EAE96</idno><idno type="DOI">10.1002/1531-8257(200101)16:1<23::AID-MDS1003>3.0.CO;2-2</idno><idno type="ArticleID">MDS1003</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basal Ganglia Diseases (ultrasonography)</term><term>Basal ganglion</term><term>Brain (pathology)</term><term>Depression (complications)</term><term>Dystonia</term><term>Dystonia (ultrasonography)</term><term>Echography</term><term>Exploration</term><term>Human</term><term>Humans</term><term>Huntington Disease (ultrasonography)</term><term>Huntington disease</term><term>Magnetic Resonance Imaging</term><term>Parkinson Disease (complications)</term><term>Parkinson Disease (ultrasonography)</term><term>Parkinson disease</term><term>Review</term><term>Transcranial route</term><term>Ultrasonography, Doppler, Transcranial</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Depression</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Brain</term></keywords><keywords scheme="MESH" qualifier="ultrasonography" xml:lang="en"><term>Basal Ganglia Diseases</term><term>Dystonia</term><term>Huntington Disease</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Humans</term><term>Magnetic Resonance Imaging</term><term>Ultrasonography, Doppler, Transcranial</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Article synthèse</term><term>Chorée Huntington</term><term>Dystonie</term><term>Echographie</term><term>Exploration</term><term>Homme</term><term>Noyau gris central</term><term>Parkinson maladie</term><term>Voie transcrânienne</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Transcranial sonography is a new diagnostic tool, allowing not only the evaluation of cerebral arteries but also the two‐dimensional display of the brain parenchyma. In this review we will summarize basics of the application, the ultrasound anatomy of the brain and sonographic findings in some movement disorders. While in normal adults basal ganglia nuclei are hypoechogenic, they are hyperechogenic in certain basal ganglia disorders. In Parkinson's disease, for example, the substantia nigra can be depicted as a distinctly echogenic area. An elevated echogenicity of the lentiform nuclei was noticed in patients with primary adult‐onset dystonia. In both disorders the altered echogenicity may arise from higher heavy metal tissue content (i.e. iron in Parkinson's disease and copper in primary dystonia). Our findings converge to the hypothesis that transcranial ultrasound sensitively detects pathological metal accumulation not identified by other neuroimaging techniques (CT and MRI) and therefore provides new insights in the diagnosis of basal ganglia disorders. The implications of these findings for the understanding of the pathogenesis and its usefulness for the early diagnosis of movement disorders are outlined. Mov. Disord. 16:23–32, 2001. © 2001 Movement Disorder Society.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Bavière</li><li>District de Basse-Franconie</li></region><settlement><li>Wurtzbourg</li></settlement></list><tree><country name="Allemagne"><region name="Bavière"><name sortKey="Becker, Georg" sort="Becker, Georg" uniqKey="Becker G" first="Georg" last="Becker">Georg Becker</name></region><name sortKey="Berg, Daniela" sort="Berg, Daniela" uniqKey="Berg D" first="Daniela" last="Berg">Daniela Berg</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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