Pyramidal tract degeneration in multiple system atrophy: The relevance of magnetization transfer imaging
Identifieur interne : 002C36 ( Main/Exploration ); précédent : 002C35; suivant : 002C37Pyramidal tract degeneration in multiple system atrophy: The relevance of magnetization transfer imaging
Auteurs : Antonio José Da Rocha [Brésil] ; Antonio Carlos Martins Maia Jr. [Brésil] ; Carlos Jorge Da Silva [Brésil] ; Flávio Túlio Braga [Brésil] ; Nelson Paes Diniz Fortes Ferreira [Brésil] ; Orlando Graziani Povoas Barsottini [Brésil] ; Henrique Ballalai Ferraz [Brésil]Source :
- Movement Disorders [ 0885-3185 ] ; 2007-01-15.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Degeneration, Female, Humans, MRI, MSA, Magnetic Resonance Imaging, Magnetization, Male, Middle Aged, Multiple System Atrophy (complications), Multiple System Atrophy (pathology), Multiple System Atrophy (physiopathology), Multiple system atrophy, Nerve Degeneration (complications), Nerve Degeneration (pathology), Nerve Degeneration (physiopathology), Nervous system diseases, Nuclear magnetic resonance imaging, Parkinson Disease, Secondary (diagnosis), Parkinson Disease, Secondary (etiology), Parkinson Disease, Secondary (physiopathology), Parkinsonism, Pyramidal Tracts (pathology), Pyramidal tract, Reflex, Abnormal (physiology), Severity of Illness Index, cortico‐spinal tract, magnetization transfer imaging.
- MESH :
- complications : Multiple System Atrophy, Nerve Degeneration.
- diagnosis : Parkinson Disease, Secondary.
- etiology : Parkinson Disease, Secondary.
- pathology : Multiple System Atrophy, Nerve Degeneration, Pyramidal Tracts.
- physiology : Reflex, Abnormal.
- physiopathology : Multiple System Atrophy, Nerve Degeneration, Parkinson Disease, Secondary.
- Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Severity of Illness Index.
Abstract
The clinical features of multiple system atrophy (MSA) include four domains: autonomic failure/urinary dysfunction, Parkinsonism, cerebellar ataxia, and corticospinal tract dysfunction. Although the diagnosis of definite MSA requires pathological confirmation, magnetic resonance imaging (MRI) studies have been shown to contribute to the diagnosis of MSA. Although pyramidal tract dysfunction is frequent in MSA patients, signs of pyramidal tract involvement are controversially demonstrated by MRI. We evaluated the pyramidal involvement in 10 patients (7 women) with clinically probable MSA, detecting the presence of spasticity, hyperreflexia, and Babinski sign, as well as demonstrating degeneration of the pyramidal tract and primary motor cortex by MRI in all of them. Our article also discusses key radiological features of this syndrome. In MSA, pyramidal tract involvement seems to be more frequent than previously thought, and the clinicoradiological correlation between pyramidal tract dysfunction and degeneration may contribute to the understanding of the clinical hallmarks of MSA. MRI may also add information regarding the differential diagnosis of this syndrome. © 2006 Movement Disorder Society
Url:
DOI: 10.1002/mds.21229
Affiliations:
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first="Antonio Carlos Martins" last="Maia Jr.">Antonio Carlos Martins Maia Jr.</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Centro de Medicina Diagnóstica Fleury, Setor de Neuroradiologia, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Da Silva, Carlos Jorge" sort="Da Silva, Carlos Jorge" uniqKey="Da Silva C" first="Carlos Jorge" last="Da Silva">Carlos Jorge Da Silva</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Centro de Medicina Diagnóstica Fleury, Setor de Neuroradiologia, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Braga, Flavio Tulio" sort="Braga, Flavio Tulio" uniqKey="Braga F" first="Flávio Túlio" 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uniqKey="Barsottini O" first="Orlando Graziani Povoas" last="Barsottini">Orlando Graziani Povoas Barsottini</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Neurology, Universidade Federal de São Paulo, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Ferraz, Henrique Ballalai" sort="Ferraz, Henrique Ballalai" uniqKey="Ferraz H" first="Henrique Ballalai" last="Ferraz">Henrique Ballalai Ferraz</name><affiliation wicri:level="3"><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Neurology, Universidade Federal de São Paulo, São Paulo</wicri:regionArea><placeName><settlement type="city">São Paulo</settlement><region type="state">État de São Paulo</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="sub">Official Journal of the Movement Disorder Society</title><title level="j" type="abbrev">Mov. Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="2007-01-15">2007-01-15</date><biblScope unit="vol">22</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="238">238</biblScope><biblScope unit="page" to="243">243</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">6AA341CCACA3BFEB3D2A74707A82E009ED0221F6</idno><idno type="DOI">10.1002/mds.21229</idno><idno type="ArticleID">MDS21229</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Degeneration</term><term>Female</term><term>Humans</term><term>MRI</term><term>MSA</term><term>Magnetic Resonance Imaging</term><term>Magnetization</term><term>Male</term><term>Middle Aged</term><term>Multiple System Atrophy (complications)</term><term>Multiple System Atrophy (pathology)</term><term>Multiple System Atrophy (physiopathology)</term><term>Multiple system atrophy</term><term>Nerve Degeneration (complications)</term><term>Nerve Degeneration (pathology)</term><term>Nerve Degeneration (physiopathology)</term><term>Nervous system diseases</term><term>Nuclear magnetic resonance imaging</term><term>Parkinson Disease, Secondary (diagnosis)</term><term>Parkinson Disease, Secondary (etiology)</term><term>Parkinson Disease, Secondary (physiopathology)</term><term>Parkinsonism</term><term>Pyramidal Tracts (pathology)</term><term>Pyramidal tract</term><term>Reflex, Abnormal (physiology)</term><term>Severity of Illness Index</term><term>cortico‐spinal tract</term><term>magnetization transfer imaging</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Multiple System Atrophy</term><term>Nerve Degeneration</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Parkinson Disease, Secondary</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Parkinson Disease, Secondary</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Multiple System Atrophy</term><term>Nerve Degeneration</term><term>Pyramidal Tracts</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Reflex, Abnormal</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Multiple System Atrophy</term><term>Nerve Degeneration</term><term>Parkinson Disease, Secondary</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Female</term><term>Humans</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Middle Aged</term><term>Severity of Illness Index</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Aimantation</term><term>Atrophie multisystématisée</term><term>Dégénérescence</term><term>Faisceau pyramidal</term><term>Imagerie RMN</term><term>Parkinsonisme</term><term>Système nerveux pathologie</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The clinical features of multiple system atrophy (MSA) include four domains: autonomic failure/urinary dysfunction, Parkinsonism, cerebellar ataxia, and corticospinal tract dysfunction. Although the diagnosis of definite MSA requires pathological confirmation, magnetic resonance imaging (MRI) studies have been shown to contribute to the diagnosis of MSA. Although pyramidal tract dysfunction is frequent in MSA patients, signs of pyramidal tract involvement are controversially demonstrated by MRI. We evaluated the pyramidal involvement in 10 patients (7 women) with clinically probable MSA, detecting the presence of spasticity, hyperreflexia, and Babinski sign, as well as demonstrating degeneration of the pyramidal tract and primary motor cortex by MRI in all of them. Our article also discusses key radiological features of this syndrome. In MSA, pyramidal tract involvement seems to be more frequent than previously thought, and the clinicoradiological correlation between pyramidal tract dysfunction and degeneration may contribute to the understanding of the clinical hallmarks of MSA. MRI may also add information regarding the differential diagnosis of this syndrome. © 2006 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Brésil</li></country><region><li>État de São Paulo</li></region><settlement><li>São Paulo</li></settlement></list><tree><country name="Brésil"><region name="État de São Paulo"><name sortKey="Da Rocha, Antonio Jose" sort="Da Rocha, Antonio Jose" uniqKey="Da Rocha A" first="Antonio José" last="Da Rocha">Antonio José Da Rocha</name></region><name sortKey="Barsottini, Orlando Graziani Povoas" sort="Barsottini, Orlando Graziani Povoas" uniqKey="Barsottini O" first="Orlando Graziani Povoas" last="Barsottini">Orlando Graziani Povoas Barsottini</name><name sortKey="Braga, Flavio Tulio" sort="Braga, Flavio Tulio" uniqKey="Braga F" first="Flávio Túlio" last="Braga">Flávio Túlio Braga</name><name sortKey="Da Silva, Carlos Jorge" sort="Da Silva, Carlos Jorge" uniqKey="Da Silva C" first="Carlos Jorge" last="Da Silva">Carlos Jorge Da Silva</name><name sortKey="Ferraz, Henrique Ballalai" sort="Ferraz, Henrique Ballalai" uniqKey="Ferraz H" first="Henrique Ballalai" last="Ferraz">Henrique Ballalai Ferraz</name><name sortKey="Ferreira, Nelson Paes Diniz Fortes" sort="Ferreira, Nelson Paes Diniz Fortes" uniqKey="Ferreira N" first="Nelson Paes Diniz Fortes" last="Ferreira">Nelson Paes Diniz Fortes Ferreira</name><name sortKey="Maia Jr, Antonio Carlos Martins" sort="Maia Jr, Antonio Carlos Martins" uniqKey="Maia Jr A" first="Antonio Carlos Martins" last="Maia Jr.">Antonio Carlos Martins Maia Jr.</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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