Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy
Identifieur interne : 001C61 ( Main/Corpus ); précédent : 001C60; suivant : 001C62Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy
Auteurs : Hirohisa Watanabe ; Mizuki Ito ; Hiroshi Fukatsu ; Jo Senda ; Naoki Atsuta ; Tomotsugu Kaga ; Shigetaka Kato ; Masahisa Katsuno ; Fumiaki Tanaka ; Masaaki Hirayama ; Shinji Naganawa ; Gen SobueSource :
- Movement Disorders [ 0885-3185 ] ; 2010-09-15.
English descriptors
Abstract
We delineated the effects of magnetic field strength on signal intensities to facilitate the specific findings of multiple system atrophy (MSA). Fifteen patients with probable MSA were imaged by 0.35T fast spin‐echo (FSE), 1.5T FSE, and 3.0T FSE using a consistent protocol, testing all field strengths on the same day. Sixty patients with probable Parkinson's disease (PD) also underwent imaging. Moderate or marked hyperintensity at the dorsolateral outer putaminal margin, hyperintensity of the putaminal body, hypointensity relative to the globus pallidus at the dorsolateral putaminal margin, and infratentorial signal changes were evaluated as specific findings for MSA. As the field strength increased, the occurrence of hyperintensity both at the dorsolateral outer putaminal margin and of the putaminal body decreased, while the occurrence of hypointensity at the dorsolateral putaminal margin increased in MSA. The occurrence of uniform mild hyperintensity of the outer putaminal margin was evident in 7% at 0.35T, 40% at 1.5T, and 47% at 3.0T in MSA and in 5% at 0.35T, 60% at 1.5T, and 75% at 3.0T in PD. However, no PD patients showed hyperintensity at the dorsolateral outer putaminal margin and that of the putaminal body. Putaminal magnetic resonance imaging (MRI) findings in MSA were altered considerably by magnetic field strength. The severity and distribution of signal changes are important for assessing putaminal MRI findings in MSA. © 2010 Movement Disorders Society
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DOI: 10.1002/mds.23196
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Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author><author><name sortKey="Kato, Shigetaka" sort="Kato, Shigetaka" uniqKey="Kato S" first="Shigetaka" last="Kato">Shigetaka Kato</name><affiliation><mods:affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author><author><name sortKey="Katsuno, Masahisa" sort="Katsuno, Masahisa" uniqKey="Katsuno M" first="Masahisa" last="Katsuno">Masahisa Katsuno</name><affiliation><mods:affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author><author><name sortKey="Tanaka, Fumiaki" sort="Tanaka, Fumiaki" uniqKey="Tanaka F" first="Fumiaki" last="Tanaka">Fumiaki Tanaka</name><affiliation><mods:affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author><author><name sortKey="Hirayama, Masaaki" sort="Hirayama, Masaaki" uniqKey="Hirayama M" first="Masaaki" last="Hirayama">Masaaki Hirayama</name><affiliation><mods:affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author><author><name sortKey="Naganawa, Shinji" sort="Naganawa, Shinji" uniqKey="Naganawa S" first="Shinji" last="Naganawa">Shinji Naganawa</name><affiliation><mods:affiliation>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author><author><name sortKey="Sobue, Gen" sort="Sobue, Gen" uniqKey="Sobue G" first="Gen" last="Sobue">Gen Sobue</name><affiliation><mods:affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="abbrev">Mov. 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Fifteen patients with probable MSA were imaged by 0.35T fast spin‐echo (FSE), 1.5T FSE, and 3.0T FSE using a consistent protocol, testing all field strengths on the same day. Sixty patients with probable Parkinson's disease (PD) also underwent imaging. Moderate or marked hyperintensity at the dorsolateral outer putaminal margin, hyperintensity of the putaminal body, hypointensity relative to the globus pallidus at the dorsolateral putaminal margin, and infratentorial signal changes were evaluated as specific findings for MSA. As the field strength increased, the occurrence of hyperintensity both at the dorsolateral outer putaminal margin and of the putaminal body decreased, while the occurrence of hypointensity at the dorsolateral putaminal margin increased in MSA. The occurrence of uniform mild hyperintensity of the outer putaminal margin was evident in 7% at 0.35T, 40% at 1.5T, and 47% at 3.0T in MSA and in 5% at 0.35T, 60% at 1.5T, and 75% at 3.0T in PD. However, no PD patients showed hyperintensity at the dorsolateral outer putaminal margin and that of the putaminal body. Putaminal magnetic resonance imaging (MRI) findings in MSA were altered considerably by magnetic field strength. The severity and distribution of signal changes are important for assessing putaminal MRI findings in MSA. © 2010 Movement Disorders Society</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Hirohisa Watanabe MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Mizuki Ito MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Hiroshi Fukatsu MD</name><affiliations><json:string>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Jo Senda MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Naoki Atsuta MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Tomotsugu Kaga MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Shigetaka Kato MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Masahisa Katsuno MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Fumiaki Tanaka MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Masaaki Hirayama MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Shinji Naganawa MD</name><affiliations><json:string>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item><json:item><name>Gen Sobue MD</name><affiliations><json:string>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>multiple system atrophy</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>magnetic resonance imaging</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Parkinson's disease</value></json:item></subject><articleId><json:string>MDS23196</json:string></articleId><language><json:string>eng</json:string></language><abstract>We delineated the effects of magnetic field strength on signal intensities to facilitate the specific findings of multiple system atrophy (MSA). Fifteen patients with probable MSA were imaged by 0.35T fast spin‐echo (FSE), 1.5T FSE, and 3.0T FSE using a consistent protocol, testing all field strengths on the same day. Sixty patients with probable Parkinson's disease (PD) also underwent imaging. Moderate or marked hyperintensity at the dorsolateral outer putaminal margin, hyperintensity of the putaminal body, hypointensity relative to the globus pallidus at the dorsolateral putaminal margin, and infratentorial signal changes were evaluated as specific findings for MSA. As the field strength increased, the occurrence of hyperintensity both at the dorsolateral outer putaminal margin and of the putaminal body decreased, while the occurrence of hypointensity at the dorsolateral putaminal margin increased in MSA. The occurrence of uniform mild hyperintensity of the outer putaminal margin was evident in 7% at 0.35T, 40% at 1.5T, and 47% at 3.0T in MSA and in 5% at 0.35T, 60% at 1.5T, and 75% at 3.0T in PD. However, no PD patients showed hyperintensity at the dorsolateral outer putaminal margin and that of the putaminal body. Putaminal magnetic resonance imaging (MRI) findings in MSA were altered considerably by magnetic field strength. The severity and distribution of signal changes are important for assessing putaminal MRI findings in MSA. © 2010 Movement Disorders Society</abstract><qualityIndicators><score>7.01</score><pdfVersion>1.3</pdfVersion><pdfPageSize>612 x 810 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>3</keywordCount><abstractCharCount>1491</abstractCharCount><pdfWordCount>4298</pdfWordCount><pdfCharCount>27142</pdfCharCount><pdfPageCount>8</pdfPageCount><abstractWordCount>226</abstractWordCount></qualityIndicators><title>Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy</title><genre><json:string>article</json:string></genre><host><volume>25</volume><publisherId><json:string>MDS</json:string></publisherId><pages><total>8</total><last>1923</last><first>1916</first></pages><issn><json:string>0885-3185</json:string></issn><issue>12</issue><subject><json:item><value>Research 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type="first">Hirohisa</forename><surname>Watanabe</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Mizuki</forename><surname>Ito</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Hiroshi</forename><surname>Fukatsu</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Jo</forename><surname>Senda</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Naoki</forename><surname>Atsuta</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Tomotsugu</forename><surname>Kaga</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Shigetaka</forename><surname>Kato</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Masahisa</forename><surname>Katsuno</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Fumiaki</forename><surname>Tanaka</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Masaaki</forename><surname>Hirayama</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Shinji</forename><surname>Naganawa</surname></persName><roleName type="degree">MD</roleName><affiliation>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author><author><persName><forename type="first">Gen</forename><surname>Sobue</surname></persName><roleName type="degree">MD</roleName><note type="correspondence"><p>Correspondence: Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya 466‐8550 Japan</p></note><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation></author></analytic><monogr><title level="j">Movement Disorders</title><title level="j" type="abbrev">Mov. 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Fifteen patients with probable MSA were imaged by 0.35T fast spin‐echo (FSE), 1.5T FSE, and 3.0T FSE using a consistent protocol, testing all field strengths on the same day. Sixty patients with probable Parkinson's disease (PD) also underwent imaging. Moderate or marked hyperintensity at the dorsolateral outer putaminal margin, hyperintensity of the putaminal body, hypointensity relative to the globus pallidus at the dorsolateral putaminal margin, and infratentorial signal changes were evaluated as specific findings for MSA. As the field strength increased, the occurrence of hyperintensity both at the dorsolateral outer putaminal margin and of the putaminal body decreased, while the occurrence of hypointensity at the dorsolateral putaminal margin increased in MSA. The occurrence of uniform mild hyperintensity of the outer putaminal margin was evident in 7% at 0.35T, 40% at 1.5T, and 47% at 3.0T in MSA and in 5% at 0.35T, 60% at 1.5T, and 75% at 3.0T in PD. However, no PD patients showed hyperintensity at the dorsolateral outer putaminal margin and that of the putaminal body. Putaminal magnetic resonance imaging (MRI) findings in MSA were altered considerably by magnetic field strength. The severity and distribution of signal changes are important for assessing putaminal MRI findings in MSA. © 2010 Movement Disorders Society</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>Keywords</head><item><term>multiple system atrophy</term></item><item><term>magnetic resonance imaging</term></item><item><term>Parkinson's disease</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>article category</head><item><term>Research Article</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2009-09-07">Received</change><change when="2010-03-24">Registration</change><change when="2010-09-15">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/3288F93B8CE29BCE744B635C82AF0053231DC3BD/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Wiley Subscription Services, Inc., A Wiley Company</publisherName><publisherLoc>Hoboken</publisherLoc></publisherInfo><doi registered="yes">10.1002/(ISSN)1531-8257</doi><issn type="print">0885-3185</issn><issn type="electronic">1531-8257</issn><idGroup><id type="product" value="MDS"></id></idGroup><titleGroup><title type="main" xml:lang="en" sort="MOVEMENT DISORDERS">Movement Disorders</title><title type="short">Mov. Disord.</title></titleGroup></publicationMeta><publicationMeta level="part" position="120"><doi origin="wiley" registered="yes">10.1002/mds.v25:12</doi><numberingGroup><numbering type="journalVolume" number="25">25</numbering><numbering type="journalIssue">12</numbering></numberingGroup><coverDate startDate="2010-09-15">15 September 2010</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="210" status="forIssue"><doi origin="wiley" registered="yes">10.1002/mds.23196</doi><idGroup><id type="unit" value="MDS23196"></id></idGroup><countGroup><count type="pageTotal" number="8"></count></countGroup><titleGroup><title type="articleCategory">Research Article</title><title type="tocHeading1">Research Articles</title></titleGroup><copyright ownership="thirdParty">Copyright © 2010 Movement Disorder Society</copyright><eventGroup><event type="manuscriptReceived" date="2009-09-07"></event><event type="manuscriptRevised" date="2010-01-06"></event><event type="manuscriptAccepted" date="2010-03-24"></event><event type="firstOnline" date="2010-07-09"></event><event type="publishedOnlineAcceptedOrEarlyUnpaginated" date="2010-07-09"></event><event type="xmlConverted" agent="Converter:JWSART34_TO_WML3G version:2.4.7 mode:FullText source:FullText result:FullText" date="2011-02-24"></event><event type="publishedOnlineFinalForm" date="2010-09-08"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-02"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-31"></event></eventGroup><numberingGroup><numbering type="pageFirst">1916</numbering><numbering type="pageLast">1923</numbering></numberingGroup><correspondenceTo>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya 466‐8550 Japan</correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:MDS.MDS23196.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="3"></count><count type="tableTotal" number="2"></count><count type="referenceTotal" number="40"></count><count type="wordTotal" number="5178"></count></countGroup><titleGroup><title type="main" xml:lang="en">Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy<link href="#fn1"></link></title><title type="short" xml:lang="en">Putaminal MRI Findings in MSA</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Hirohisa</givenNames><familyName>Watanabe</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Mizuki</givenNames><familyName>Ito</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Hiroshi</givenNames><familyName>Fukatsu</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Jo</givenNames><familyName>Senda</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Naoki</givenNames><familyName>Atsuta</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au6" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Tomotsugu</givenNames><familyName>Kaga</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au7" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Shigetaka</givenNames><familyName>Kato</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au8" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Masahisa</givenNames><familyName>Katsuno</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au9" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Fumiaki</givenNames><familyName>Tanaka</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au10" creatorRole="author" affiliationRef="#af1"><personName><givenNames>Masaaki</givenNames><familyName>Hirayama</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au11" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Shinji</givenNames><familyName>Naganawa</familyName><degrees>MD</degrees></personName></creator><creator xml:id="au12" creatorRole="author" affiliationRef="#af1" corresponding="yes"><personName><givenNames>Gen</givenNames><familyName>Sobue</familyName><degrees>MD</degrees></personName><contactDetails><email normalForm="sobueg@tsuru.med.nagoya-u.ac.jp">sobueg@tsuru.med.nagoya‐u.ac.jp</email></contactDetails></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="JP" type="organization"><unparsedAffiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="JP" type="organization"><unparsedAffiliation>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">multiple system atrophy</keyword><keyword xml:id="kwd2">magnetic resonance imaging</keyword><keyword xml:id="kwd3">Parkinson's disease</keyword></keywordGroup><fundingInfo><fundingAgency>Health and Labor Sciences Research</fundingAgency></fundingInfo><fundingInfo><fundingAgency>Aging and Health of the Ministry of Health, Labor and Welfare, Japan</fundingAgency></fundingInfo><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>We delineated the effects of magnetic field strength on signal intensities to facilitate the specific findings of multiple system atrophy (MSA). Fifteen patients with probable MSA were imaged by 0.35T fast spin‐echo (FSE), 1.5T FSE, and 3.0T FSE using a consistent protocol, testing all field strengths on the same day. Sixty patients with probable Parkinson's disease (PD) also underwent imaging. Moderate or marked hyperintensity at the dorsolateral outer putaminal margin, hyperintensity of the putaminal body, hypointensity relative to the globus pallidus at the dorsolateral putaminal margin, and infratentorial signal changes were evaluated as specific findings for MSA. As the field strength increased, the occurrence of hyperintensity both at the dorsolateral outer putaminal margin and of the putaminal body decreased, while the occurrence of hypointensity at the dorsolateral putaminal margin increased in MSA. The occurrence of uniform mild hyperintensity of the outer putaminal margin was evident in 7% at 0.35T, 40% at 1.5T, and 47% at 3.0T in MSA and in 5% at 0.35T, 60% at 1.5T, and 75% at 3.0T in PD. However, no PD patients showed hyperintensity at the dorsolateral outer putaminal margin and that of the putaminal body. Putaminal magnetic resonance imaging (MRI) findings in MSA were altered considerably by magnetic field strength. The severity and distribution of signal changes are important for assessing putaminal MRI findings in MSA. © 2010 Movement Disorders Society</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><p>Potential conflict of interest: Nothing to report.</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Putaminal MRI Findings in MSA</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Putaminal magnetic resonance imaging features at various magnetic field strengths in multiple system atrophy</title></titleInfo><name type="personal"><namePart type="given">Hirohisa</namePart><namePart type="family">Watanabe</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Mizuki</namePart><namePart type="family">Ito</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Hiroshi</namePart><namePart type="family">Fukatsu</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jo</namePart><namePart type="family">Senda</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Naoki</namePart><namePart type="family">Atsuta</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Tomotsugu</namePart><namePart type="family">Kaga</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Shigetaka</namePart><namePart type="family">Kato</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Masahisa</namePart><namePart type="family">Katsuno</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Fumiaki</namePart><namePart type="family">Tanaka</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Masaaki</namePart><namePart type="family">Hirayama</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Shinji</namePart><namePart type="family">Naganawa</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Gen</namePart><namePart type="family">Sobue</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan</affiliation><description>Correspondence: Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya 466‐8550 Japan</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><place><placeTerm type="text">Hoboken</placeTerm></place><dateIssued encoding="w3cdtf">2010-09-15</dateIssued><dateCaptured encoding="w3cdtf">2009-09-07</dateCaptured><dateValid encoding="w3cdtf">2010-03-24</dateValid><copyrightDate encoding="w3cdtf">2010</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">3</extent><extent unit="tables">2</extent><extent unit="references">40</extent><extent unit="words">5178</extent></physicalDescription><abstract lang="en">We delineated the effects of magnetic field strength on signal intensities to facilitate the specific findings of multiple system atrophy (MSA). Fifteen patients with probable MSA were imaged by 0.35T fast spin‐echo (FSE), 1.5T FSE, and 3.0T FSE using a consistent protocol, testing all field strengths on the same day. Sixty patients with probable Parkinson's disease (PD) also underwent imaging. Moderate or marked hyperintensity at the dorsolateral outer putaminal margin, hyperintensity of the putaminal body, hypointensity relative to the globus pallidus at the dorsolateral putaminal margin, and infratentorial signal changes were evaluated as specific findings for MSA. As the field strength increased, the occurrence of hyperintensity both at the dorsolateral outer putaminal margin and of the putaminal body decreased, while the occurrence of hypointensity at the dorsolateral putaminal margin increased in MSA. The occurrence of uniform mild hyperintensity of the outer putaminal margin was evident in 7% at 0.35T, 40% at 1.5T, and 47% at 3.0T in MSA and in 5% at 0.35T, 60% at 1.5T, and 75% at 3.0T in PD. However, no PD patients showed hyperintensity at the dorsolateral outer putaminal margin and that of the putaminal body. Putaminal magnetic resonance imaging (MRI) findings in MSA were altered considerably by magnetic field strength. The severity and distribution of signal changes are important for assessing putaminal MRI findings in MSA. © 2010 Movement Disorders Society</abstract><note type="content">*Potential conflict of interest: Nothing to report.</note><note type="funding">Health and Labor Sciences Research</note><note type="funding">Aging and Health of the Ministry of Health, Labor and Welfare, Japan</note><subject lang="en"><genre>Keywords</genre><topic>multiple system atrophy</topic><topic>magnetic resonance imaging</topic><topic>Parkinson's disease</topic></subject><relatedItem type="host"><titleInfo><title>Movement Disorders</title></titleInfo><titleInfo type="abbreviated"><title>Mov. Disord.</title></titleInfo><genre type="Journal">journal</genre><subject><genre>article category</genre><topic>Research Article</topic></subject><identifier type="ISSN">0885-3185</identifier><identifier type="eISSN">1531-8257</identifier><identifier type="DOI">10.1002/(ISSN)1531-8257</identifier><identifier type="PublisherID">MDS</identifier><part><date>2010</date><detail type="volume"><caption>vol.</caption><number>25</number></detail><detail type="issue"><caption>no.</caption><number>12</number></detail><extent unit="pages"><start>1916</start><end>1923</end><total>8</total></extent></part></relatedItem><identifier type="istex">3288F93B8CE29BCE744B635C82AF0053231DC3BD</identifier><identifier type="DOI">10.1002/mds.23196</identifier><identifier type="ArticleID">MDS23196</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2010 Movement Disorder Society</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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