SSFP-based MR thermometry

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buir.contributor.authorAtalar, Ergin
dc.citation.epage708en_US
dc.citation.issueNumber4en_US
dc.citation.spage704en_US
dc.citation.volumeNumber52en_US
dc.contributor.authorPaliwal, V.en_US
dc.contributor.authorEl-Sharkawy, A.-M.en_US
dc.contributor.authorDu, X.en_US
dc.contributor.authorYang, X.en_US
dc.contributor.authorAtalar, Erginen_US
dc.date.accessioned2016-02-08T10:25:50Z
dc.date.available2016-02-08T10:25:50Z
dc.date.issued2004en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentNational Magnetic Resonance Research Center (UMRAM)en_US
dc.description.abstractOf the various techniques employed to quantify temperature changes by MR, proton resonance frequency (PRF) shift-based phase-difference imaging (PDI) is the most accurate and widely used. However, PDI is associated with various artifacts. Motivated by these limitations, we developed a new method to monitor temperature changes by MRI using the balanced steady-state free precession (balanced-SSFP) pulse sequence. Magnitude images obtained with the SSFP pulse sequence were used to find the PRF shift, which is proportional to temperature change. Spatiotemporal temperature maps were successfully reconstructed with this technique in gel phantom experiments and a rabbit model. The results show that the balanced-SSFP-based method is a promising new technique for monitoring temperature.en_US
dc.identifier.doi10.1002/mrm.20231en_US
dc.identifier.eissn1522-2594
dc.identifier.issn0740-3194
dc.identifier.urihttp://hdl.handle.net/11693/24217
dc.language.isoEnglishen_US
dc.publisherJohn Wiley & Sonsen_US
dc.relation.isversionofhttp://dx.doi.org/10.1002/mrm.20231en_US
dc.source.titleMagnetic Resonance in Medicineen_US
dc.subjectAblationen_US
dc.subjectMR thermometryen_US
dc.subjectMRIen_US
dc.subjectProton resonance frequency shiften_US
dc.subjectSSFPen_US
dc.subjectThermal mappingen_US
dc.subjectAnimal experimenten_US
dc.subjectAnimal tissueen_US
dc.subjectMagnetic resonance imagingen_US
dc.subjectThermographyen_US
dc.titleSSFP-based MR thermometryen_US
dc.typeArticleen_US

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Department of Electrical and Electronics Engineering
National Magnetic Resonance Research Center (UMRAM)