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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">MR Thermometry</title><author><name sortKey="Rieke, Viola" sort="Rieke, Viola" uniqKey="Rieke V" first="Viola" last="Rieke">Viola Rieke</name></author><author><name sortKey="Pauly, Kim Butts" sort="Pauly, Kim Butts" uniqKey="Pauly K" first="Kim Butts" last="Pauly">Kim Butts Pauly</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">18219673</idno><idno type="pmc">2780364</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2780364</idno><idno type="RBID">PMC:2780364</idno><idno type="doi">10.1002/jmri.21265</idno><date when="2008">2008</date><idno type="wicri:Area/Pmc/Corpus">000237</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000237</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">MR Thermometry</title><author><name sortKey="Rieke, Viola" sort="Rieke, Viola" uniqKey="Rieke V" first="Viola" last="Rieke">Viola Rieke</name></author><author><name sortKey="Pauly, Kim Butts" sort="Pauly, Kim Butts" uniqKey="Pauly K" first="Kim Butts" last="Pauly">Kim Butts Pauly</name></author></analytic><series><title level="j">Journal of magnetic resonance imaging : JMRI</title><idno type="ISSN">1053-1807</idno><idno type="eISSN">1522-2586</idno><imprint><date when="2008">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">Minimally invasive thermal therapy as local treatment of benign and malignant diseases has received increasing interest in recent years. Safety and efficacy of the treatment require accurate temperature measurement throughout the thermal procedure. Noninvasive temperature monitoring is feasible with magnetic resonance (MR) imaging based on temperature sensitive MR parameters such as the proton resonance frequency (PRF), the diffusion coefficient (D), T<sub>1</sub> and T<sub>2</sub> relaxation times, magnetization transfer, the proton density, as well as temperature sensitive contrast agents. In this paper, the principles of temperature measurements with these methods will be reviewed and their usefulness for monitoring in vivo procedures will be discussed. Whereas most measurements give a temperature change relative to a baseline condition, temperature sensitive contrast agents and spectroscopic imaging can provide absolute temperature measurements. The excellent linearity and temperature dependence of the PRF and its near independence of tissue type have made PRF based phase mapping methods the preferred choice for many in vivo applications. Accelerated MRI imaging techniques for real-time monitoring with the PRF method will be discussed. Special attention is paid to acquisition and reconstruction methods for reducing temperature measurement artifacts introduced by tissue motion, which is often unavoidable during in vivo applications.</p></div></front></TEI><pmc article-type="research-article" xml:lang="EN"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">9105850</journal-id><journal-id journal-id-type="pubmed-jr-id">2081</journal-id><journal-id journal-id-type="nlm-ta">J Magn Reson Imaging</journal-id><journal-title>Journal of magnetic resonance imaging : JMRI</journal-title><issn pub-type="ppub">1053-1807</issn><issn pub-type="epub">1522-2586</issn></journal-meta><article-meta><article-id pub-id-type="pmid">18219673</article-id><article-id pub-id-type="pmc">2780364</article-id><article-id pub-id-type="doi">10.1002/jmri.21265</article-id><article-id pub-id-type="manuscript">NIHMS153971</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>MR Thermometry</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Rieke</surname><given-names>Viola</given-names></name><degrees>PhD</degrees><xref rid="FN1" ref-type="author-notes">*</xref></contrib><contrib contrib-type="author"><name><surname>Pauly</surname><given-names>Kim Butts</given-names></name><degrees>PhD</degrees></contrib><aff id="A1">Department of Radiology, Stanford University, Stanford, California</aff></contrib-group><author-notes><corresp id="FN1"><label>*</label>Correspondence to: Viola Rieke, Department of Radiology, Lucas MRI Center, 1201 Welch Road, Stanford, CA 94305-5488. Phone: (650) 724-9574, Fax: (650) 723-5795, <email>vrieke@stanford.edu</email></corresp></author-notes><pub-date pub-type="nihms-submitted"><day>5</day><month>11</month><year>2009</year></pub-date><pub-date pub-type="ppub"><month>2</month><year>2008</year></pub-date><pub-date pub-type="pmc-release"><day>20</day><month>11</month><year>2009</year></pub-date><volume>27</volume><issue>2</issue><fpage>376</fpage><lpage>390</lpage><abstract><p id="P1">Minimally invasive thermal therapy as local treatment of benign and malignant diseases has received increasing interest in recent years. Safety and efficacy of the treatment require accurate temperature measurement throughout the thermal procedure. Noninvasive temperature monitoring is feasible with magnetic resonance (MR) imaging based on temperature sensitive MR parameters such as the proton resonance frequency (PRF), the diffusion coefficient (D), T<sub>1</sub> and T<sub>2</sub> relaxation times, magnetization transfer, the proton density, as well as temperature sensitive contrast agents. In this paper, the principles of temperature measurements with these methods will be reviewed and their usefulness for monitoring in vivo procedures will be discussed. Whereas most measurements give a temperature change relative to a baseline condition, temperature sensitive contrast agents and spectroscopic imaging can provide absolute temperature measurements. The excellent linearity and temperature dependence of the PRF and its near independence of tissue type have made PRF based phase mapping methods the preferred choice for many in vivo applications. Accelerated MRI imaging techniques for real-time monitoring with the PRF method will be discussed. Special attention is paid to acquisition and reconstruction methods for reducing temperature measurement artifacts introduced by tissue motion, which is often unavoidable during in vivo applications.</p></abstract><kwd-group><kwd>thermometry</kwd><kwd>temperature</kwd><kwd>thermal therapy</kwd><kwd>diffusion</kwd><kwd>relaxation</kwd><kwd>proton resonance frequency shift</kwd><kwd>PRF</kwd><kwd>fat</kwd><kwd>motion artifacts</kwd></kwd-group><contract-num rid="CA1">R01 CA121163-03
||CA</contract-num><contract-num rid="CA1">R01 CA111981-03
||CA</contract-num><contract-num rid="CA1">R01 CA077677-08
||CA</contract-num><contract-sponsor id="CA1">National Cancer Institute : NCI</contract-sponsor></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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