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Conference Paper: Theoretical and Experimental Investigation of the Relationship among SAR, Tissues and Resonant Frequencies in MRI
| Title | Theoretical and Experimental Investigation of the Relationship among SAR, Tissues and Resonant Frequencies in MRI |
|---|---|
| Authors | |
| Issue Date | 2004 |
| Publisher | The 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? |
| Abstract | The 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 Identifier | http://hdl.handle.net/10722/99821 |
| ISSN |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Wang, C | en_HK |
| dc.contributor.author | Yuan, J | en_HK |
| dc.contributor.author | Qu, P | en_HK |
| dc.contributor.author | Shen, GG | en_HK |
| dc.date.accessioned | 2010-09-25T18:45:30Z | - |
| dc.date.available | 2010-09-25T18:45:30Z | - |
| dc.date.issued | 2004 | en_HK |
| dc.identifier.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 | en_HK |
| dc.identifier.issn | 1545-4436 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/99821 | - |
| dc.description.abstract | The 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.language | eng | en_HK |
| dc.publisher | The International Society for Magnetic Resonance in Medicine (ISMRM) | en_HK |
| dc.relation.ispartof | Proceedings of the International Society for Magnetic Resonance in Medicine (ISMRM) | en_HK |
| dc.title | Theoretical and Experimental Investigation of the Relationship among SAR, Tissues and Resonant Frequencies in MRI | en_HK |
| dc.type | Conference_Paper | en_HK |
| dc.identifier.email | Shen, GG: gxshen@eee.hku.hk | en_HK |
| dc.identifier.authority | Shen, GG=rp00166 | en_HK |
| dc.description.nature | published_or_final_version | - |
| dc.identifier.hkuros | 91306 | en_HK |
| dc.identifier.volume | 11 | en_HK |
| dc.identifier.spage | 1668 | en_HK |
| dc.identifier.issnl | 1524-6965 | - |