ParkinsonCanadaV1, PubMed, Corpus, bibRecord, 000E29

Localization of the subthalamic nucleus: optimization with susceptibility-weighted phase MR imaging.

Identifieur interne : 000E29 ( PubMed/Corpus ); précédent : 000E28; suivant : 000E30

Localization of the subthalamic nucleus: optimization with susceptibility-weighted phase MR imaging.

Auteurs : A T Vertinsky ; V A Coenen ; D J Lang ; S. Kolind ; C R Honey ; D. Li ; A. Rauscher

Source :

AJNR. American journal of neuroradiology [ 1936-959X ] ; 2009.

RBID : pubmed:19509077

English descriptors

KwdEn :
- Adult, Algorithms, Artificial Intelligence, Female, Humans, Image Enhancement (methods), Image Interpretation, Computer-Assisted (methods), Information Storage and Retrieval (methods), Magnetic Resonance Imaging (methods), Male, Middle Aged, Pattern Recognition, Automated (methods), Quality Control, Reproducibility of Results, Sensitivity and Specificity, Subthalamic Nucleus (anatomy & histology), Young Adult.
MESH :
- anatomy & histology : Subthalamic Nucleus.
- methods : Image Enhancement, Image Interpretation, Computer-Assisted, Information Storage and Retrieval, Magnetic Resonance Imaging, Pattern Recognition, Automated.
- Adult, Algorithms, Artificial Intelligence, Female, Humans, Male, Middle Aged, Quality Control, Reproducibility of Results, Sensitivity and Specificity, Young Adult.

Abstract

On clinical MR images, the subthalamic nuclei (STN) are poorly delineated from adjacent structures, impeding safe direct targeting for placement of electrodes in the treatment of Parkinson disease. Susceptibility-weighted MR phase imaging offers improved contrast and spatial resolution at reduced imaging times relative to clinically used T2-weighted spin-echo imaging for STN visualization. Our purpose was to assess STN visibility by using phase imaging, comparing phase and magnitude images obtained concurrently by using susceptibility-weighted imaging (SWI). The goal was to identify an efficient scanning protocol for high-quality phase images of STN.

DOI: 10.3174/ajnr.A1669
PubMed: 19509077

Links to Exploration step

pubmed:19509077

Le document en format XML

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<author><name sortKey="Vertinsky, A T" sort="Vertinsky, A T" uniqKey="Vertinsky A" first="A T" last="Vertinsky">A T Vertinsky</name>
<affiliation><nlm:affiliation>Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Coenen, V A" sort="Coenen, V A" uniqKey="Coenen V" first="V A" last="Coenen">V A Coenen</name>
</author>
<author><name sortKey="Lang, D J" sort="Lang, D J" uniqKey="Lang D" first="D J" last="Lang">D J Lang</name>
</author>
<author><name sortKey="Kolind, S" sort="Kolind, S" uniqKey="Kolind S" first="S" last="Kolind">S. Kolind</name>
</author>
<author><name sortKey="Honey, C R" sort="Honey, C R" uniqKey="Honey C" first="C R" last="Honey">C R Honey</name>
</author>
<author><name sortKey="Li, D" sort="Li, D" uniqKey="Li D" first="D" last="Li">D. Li</name>
</author>
<author><name sortKey="Rauscher, A" sort="Rauscher, A" uniqKey="Rauscher A" first="A" last="Rauscher">A. Rauscher</name>
</author>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Localization of the subthalamic nucleus: optimization with susceptibility-weighted phase MR imaging.</title>
<author><name sortKey="Vertinsky, A T" sort="Vertinsky, A T" uniqKey="Vertinsky A" first="A T" last="Vertinsky">A T Vertinsky</name>
<affiliation><nlm:affiliation>Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Coenen, V A" sort="Coenen, V A" uniqKey="Coenen V" first="V A" last="Coenen">V A Coenen</name>
</author>
<author><name sortKey="Lang, D J" sort="Lang, D J" uniqKey="Lang D" first="D J" last="Lang">D J Lang</name>
</author>
<author><name sortKey="Kolind, S" sort="Kolind, S" uniqKey="Kolind S" first="S" last="Kolind">S. Kolind</name>
</author>
<author><name sortKey="Honey, C R" sort="Honey, C R" uniqKey="Honey C" first="C R" last="Honey">C R Honey</name>
</author>
<author><name sortKey="Li, D" sort="Li, D" uniqKey="Li D" first="D" last="Li">D. Li</name>
</author>
<author><name sortKey="Rauscher, A" sort="Rauscher, A" uniqKey="Rauscher A" first="A" last="Rauscher">A. Rauscher</name>
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<series><title level="j">AJNR. American journal of neuroradiology</title>
<idno type="eISSN">1936-959X</idno>
<imprint><date when="2009" type="published">2009</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term>
<term>Algorithms</term>
<term>Artificial Intelligence</term>
<term>Female</term>
<term>Humans</term>
<term>Image Enhancement (methods)</term>
<term>Image Interpretation, Computer-Assisted (methods)</term>
<term>Information Storage and Retrieval (methods)</term>
<term>Magnetic Resonance Imaging (methods)</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Pattern Recognition, Automated (methods)</term>
<term>Quality Control</term>
<term>Reproducibility of Results</term>
<term>Sensitivity and Specificity</term>
<term>Subthalamic Nucleus (anatomy & histology)</term>
<term>Young Adult</term>
</keywords>
<keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Subthalamic Nucleus</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Image Enhancement</term>
<term>Image Interpretation, Computer-Assisted</term>
<term>Information Storage and Retrieval</term>
<term>Magnetic Resonance Imaging</term>
<term>Pattern Recognition, Automated</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Algorithms</term>
<term>Artificial Intelligence</term>
<term>Female</term>
<term>Humans</term>
<term>Male</term>
<term>Middle Aged</term>
<term>Quality Control</term>
<term>Reproducibility of Results</term>
<term>Sensitivity and Specificity</term>
<term>Young Adult</term>
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<front><div type="abstract" xml:lang="en">On clinical MR images, the subthalamic nuclei (STN) are poorly delineated from adjacent structures, impeding safe direct targeting for placement of electrodes in the treatment of Parkinson disease. Susceptibility-weighted MR phase imaging offers improved contrast and spatial resolution at reduced imaging times relative to clinically used T2-weighted spin-echo imaging for STN visualization. Our purpose was to assess STN visibility by using phase imaging, comparing phase and magnitude images obtained concurrently by using susceptibility-weighted imaging (SWI). The goal was to identify an efficient scanning protocol for high-quality phase images of STN.</div>
</front>
</TEI>
<pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19509077</PMID>
<DateCreated><Year>2009</Year>
<Month>10</Month>
<Day>09</Day>
</DateCreated>
<DateCompleted><Year>2010</Year>
<Month>01</Month>
<Day>04</Day>
</DateCompleted>
<DateRevised><Year>2009</Year>
<Month>10</Month>
<Day>09</Day>
</DateRevised>
<Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1936-959X</ISSN>
<JournalIssue CitedMedium="Internet"><Volume>30</Volume>
<Issue>9</Issue>
<PubDate><Year>2009</Year>
<Month>Oct</Month>
</PubDate>
</JournalIssue>
<Title>AJNR. American journal of neuroradiology</Title>
<ISOAbbreviation>AJNR Am J Neuroradiol</ISOAbbreviation>
</Journal>
<ArticleTitle>Localization of the subthalamic nucleus: optimization with susceptibility-weighted phase MR imaging.</ArticleTitle>
<Pagination><MedlinePgn>1717-24</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.3174/ajnr.A1669</ELocationID>
<Abstract><AbstractText Label="BACKGROUND AND PURPOSE" NlmCategory="OBJECTIVE">On clinical MR images, the subthalamic nuclei (STN) are poorly delineated from adjacent structures, impeding safe direct targeting for placement of electrodes in the treatment of Parkinson disease. Susceptibility-weighted MR phase imaging offers improved contrast and spatial resolution at reduced imaging times relative to clinically used T2-weighted spin-echo imaging for STN visualization. Our purpose was to assess STN visibility by using phase imaging, comparing phase and magnitude images obtained concurrently by using susceptibility-weighted imaging (SWI). The goal was to identify an efficient scanning protocol for high-quality phase images of STN.</AbstractText>
<AbstractText Label="MATERIALS AND METHODS" NlmCategory="METHODS">Seventy-eight SWI scans were acquired at 3T by using different TEs and acceleration factors. STN visibility and delimitation from adjacent structures were scored from 0 (not interpretable) to 5 (excellent). Regression analyses assessed the relationship of STN visibility to scanning parameters</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">STN were identified at all studied TEs on phase images. Visibility and delimitation of STN were consistently superior on phase images compared with magnitude images. Good visualization (score of >or=4) of STN on phase imaging occurred at a mean TE of 20.0 ms and a sensitivity encoding (SENSE) of 1.40. Scores of STN visualization on phase images were dependent on SENSE (P < .002) and TE (P < .031). Good delimitation of the STN on phase imaging occurred at a mean TE of 21.6 ms and a SENSE of 1.36.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">Visualization and delimitation of STN was superior on phase images and was achieved at 3T in <2.5 minutes. A TE of 20 ms and an acceleration factor of </AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Vertinsky</LastName>
<ForeName>A T</ForeName>
<Initials>AT</Initials>
<AffiliationInfo><Affiliation>Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y"><LastName>Coenen</LastName>
<ForeName>V A</ForeName>
<Initials>VA</Initials>
</Author>
<Author ValidYN="Y"><LastName>Lang</LastName>
<ForeName>D J</ForeName>
<Initials>DJ</Initials>
</Author>
<Author ValidYN="Y"><LastName>Kolind</LastName>
<ForeName>S</ForeName>
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</Author>
<Author ValidYN="Y"><LastName>Honey</LastName>
<ForeName>C R</ForeName>
<Initials>CR</Initials>
</Author>
<Author ValidYN="Y"><LastName>Li</LastName>
<ForeName>D</ForeName>
<Initials>D</Initials>
</Author>
<Author ValidYN="Y"><LastName>Rauscher</LastName>
<ForeName>A</ForeName>
<Initials>A</Initials>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList><PublicationType UI="D023362">Evaluation Studies</PublicationType>
<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
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<ArticleDate DateType="Electronic"><Year>2009</Year>
<Month>06</Month>
<Day>09</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo><Country>United States</Country>
<MedlineTA>AJNR Am J Neuroradiol</MedlineTA>
<NlmUniqueID>8003708</NlmUniqueID>
<ISSNLinking>0195-6108</ISSNLinking>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
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</MeshHeading>
<MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
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<MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
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<MeshHeading><DescriptorName UI="D007089" MajorTopicYN="N">Image Enhancement</DescriptorName>
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<MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
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<MeshHeading><DescriptorName UI="D010363" MajorTopicYN="N">Pattern Recognition, Automated</DescriptorName>
<QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName>
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<MeshHeading><DescriptorName UI="D011786" MajorTopicYN="N">Quality Control</DescriptorName>
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<MeshHeading><DescriptorName UI="D015203" MajorTopicYN="N">Reproducibility of Results</DescriptorName>
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<MeshHeading><DescriptorName UI="D012680" MajorTopicYN="N">Sensitivity and Specificity</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D020531" MajorTopicYN="N">Subthalamic Nucleus</DescriptorName>
<QualifierName UI="Q000033" MajorTopicYN="Y">anatomy & histology</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D055815" MajorTopicYN="N">Young Adult</DescriptorName>
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	La maladie de Parkinson au Canada (serveur d'exploration)
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La maladie de Parkinson au Canada (serveur d'exploration)

Localization of the subthalamic nucleus: optimization with susceptibility-weighted phase MR imaging.

Localization of the subthalamic nucleus: optimization with susceptibility-weighted phase MR imaging.

Source :

English descriptors

Abstract

Links to Exploration step

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