Evaluation of radiofrequency safety by high temperature resolution MR thermometry using a paramagnetic lanthanide complex.
Identifieur interne : 000033 ( Main/Exploration ); précédent : 000032; suivant : 000034Evaluation of radiofrequency safety by high temperature resolution MR thermometry using a paramagnetic lanthanide complex.
Auteurs : Shalmali Dharmadhikari [États-Unis] ; Judy R. James [États-Unis] ; John Nyenhuis [États-Unis] ; Navin Bansal [États-Unis]Source :
- Magnetic resonance in medicine [ 1522-2594 ] ; 2016.
Abstract
The current practice of calculating the specific absorption rate (SAR) relies on local temperature measurements made using temperature probes. For an accurate SAR measurement, a temperature imaging method that provides high temperature sensitivity is desirable, because acceptable levels of SAR produce small temperature changes. MR thermometry using paramagnetic lanthanide complexes can be used to obtain absolute temperature measurements with sub-degree temperature and sub-millimeter spatial resolution. The aim of this study was to develop and evaluate a high temperature resolution MR technique to determine SAR.
DOI: 10.1002/mrm.25792
PubMed: 26073056
Affiliations:
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James</name><affiliation wicri:level="2"><nlm:affiliation>Department of Radiology, Mayo Clinic, Scottsdale, Arizona, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Radiology, Mayo Clinic, Scottsdale, Arizona</wicri:regionArea><placeName><region type="state">Arizona</region></placeName></affiliation></author><author><name sortKey="Nyenhuis, John" sort="Nyenhuis, John" uniqKey="Nyenhuis J" first="John" last="Nyenhuis">John Nyenhuis</name><affiliation wicri:level="2"><nlm:affiliation>Department of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana</wicri:regionArea><placeName><region type="state">Indiana</region></placeName></affiliation></author><author><name sortKey="Bansal, Navin" sort="Bansal, Navin" uniqKey="Bansal N" first="Navin" last="Bansal">Navin Bansal</name><affiliation wicri:level="2"><nlm:affiliation>Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, Indiana, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, Indiana</wicri:regionArea><placeName><region type="state">Indiana</region></placeName></affiliation></author></analytic><series><title level="j">Magnetic resonance in medicine</title><idno type="eISSN">1522-2594</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The current practice of calculating the specific absorption rate (SAR) relies on local temperature measurements made using temperature probes. For an accurate SAR measurement, a temperature imaging method that provides high temperature sensitivity is desirable, because acceptable levels of SAR produce small temperature changes. MR thermometry using paramagnetic lanthanide complexes can be used to obtain absolute temperature measurements with sub-degree temperature and sub-millimeter spatial resolution. The aim of this study was to develop and evaluate a high temperature resolution MR technique to determine SAR.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Arizona</li><li>Indiana</li></region></list><tree><country name="États-Unis"><region name="Indiana"><name sortKey="Dharmadhikari, Shalmali" sort="Dharmadhikari, Shalmali" uniqKey="Dharmadhikari S" first="Shalmali" last="Dharmadhikari">Shalmali Dharmadhikari</name></region><name sortKey="Bansal, Navin" sort="Bansal, Navin" uniqKey="Bansal N" first="Navin" last="Bansal">Navin Bansal</name><name sortKey="James, Judy R" sort="James, Judy R" uniqKey="James J" first="Judy R" last="James">Judy R. James</name><name sortKey="Nyenhuis, John" sort="Nyenhuis, John" uniqKey="Nyenhuis J" first="John" last="Nyenhuis">John Nyenhuis</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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