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Conference Paper: Theoretical and Experimental Investigation of the Relationship among SAR, Tissues and Resonant Frequencies in MRI

TitleTheoretical and Experimental Investigation of the Relationship among SAR, Tissues and Resonant Frequencies in MRI
Authors
Issue Date2004
PublisherThe International Society for Magnetic Resonance in Medicine (ISMRM)
Citation
The International Society for Magnetic Resonance in Medicine (ISMRM) 12th Scientific Meeting & Exhibition, Kyoto, Japan, 15-21 May 2004. In Proceedings of the International Society for Magnetic Resonance in Medicine (ISMRM), 2004, v. 11, p. 1668 How to Cite?
AbstractThe SAR of muscle, brain and bone are investigated theoretically and experimentally. The average SAR(s) of these three tissues at 0.5T, 1.5T and 3T are simulated by finite difference time domain (FDTD) method. The SAR of muscle, brain and bone increase 7.49 folds, 10.87 folds and 12.92 folds respectively when the field increases from 0.5T to 3T. The SAR of muscle is 1.72-fold over brain and 8.74-fold over bone at 1.5T. Experiments have been carried out to obtain SAR using phantoms to simulate human tissues at 1.5T. The experiment results agree with the simulation well and within difference of 5%.
Persistent Identifierhttp://hdl.handle.net/10722/99821
ISSN

 

DC FieldValueLanguage
dc.contributor.authorWang, Cen_HK
dc.contributor.authorYuan, Jen_HK
dc.contributor.authorQu, Pen_HK
dc.contributor.authorShen, GGen_HK
dc.date.accessioned2010-09-25T18:45:30Z-
dc.date.available2010-09-25T18:45:30Z-
dc.date.issued2004en_HK
dc.identifier.citationThe International Society for Magnetic Resonance in Medicine (ISMRM) 12th Scientific Meeting & Exhibition, Kyoto, Japan, 15-21 May 2004. In Proceedings of the International Society for Magnetic Resonance in Medicine (ISMRM), 2004, v. 11, p. 1668en_HK
dc.identifier.issn1545-4436-
dc.identifier.urihttp://hdl.handle.net/10722/99821-
dc.description.abstractThe SAR of muscle, brain and bone are investigated theoretically and experimentally. The average SAR(s) of these three tissues at 0.5T, 1.5T and 3T are simulated by finite difference time domain (FDTD) method. The SAR of muscle, brain and bone increase 7.49 folds, 10.87 folds and 12.92 folds respectively when the field increases from 0.5T to 3T. The SAR of muscle is 1.72-fold over brain and 8.74-fold over bone at 1.5T. Experiments have been carried out to obtain SAR using phantoms to simulate human tissues at 1.5T. The experiment results agree with the simulation well and within difference of 5%.-
dc.languageengen_HK
dc.publisherThe International Society for Magnetic Resonance in Medicine (ISMRM)en_HK
dc.relation.ispartofProceedings of the International Society for Magnetic Resonance in Medicine (ISMRM)en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleTheoretical and Experimental Investigation of the Relationship among SAR, Tissues and Resonant Frequencies in MRIen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailShen, GG: gxshen@eee.hku.hken_HK
dc.identifier.authorityShen, GG=rp00166en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros91306en_HK
dc.identifier.volume11en_HK
dc.identifier.spage1668en_HK

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