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Conference Paper: Ultra-low-field Magnetization Transfer Imaging with Low SAR
Title | Ultra-low-field Magnetization Transfer Imaging with Low SAR |
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Authors | |
Issue Date | 6-Jun-2023 |
Abstract | At high field, magnetization transfer (MT) imaging suffers from the high specific absorption ratio (SAR) issue due to the usage of high power off-resonance MT RF pulses, and on-resonance saturation caused by B0 field inhomogeneity. At ultra-low-field (ULF), the low SAR and low absolute B0 inhomogeneity (in Hz) greatly facilitates the application of strong and versatile MT pulses without the confounding on-resonance saturation in practice. We demonstrate brain MT imaging at ULF first the first time using a 0.055 Tesla MRI platform with an extremely low SAR. |
Persistent Identifier | http://hdl.handle.net/10722/337783 |
DC Field | Value | Language |
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dc.contributor.author | Su, S | - |
dc.contributor.author | Zhao, Y | - |
dc.contributor.author | Lau, V | - |
dc.contributor.author | Xiao, L | - |
dc.contributor.author | Ding, Y | - |
dc.contributor.author | Hu, J | - |
dc.contributor.author | Zhang, J | - |
dc.contributor.author | Man, C | - |
dc.contributor.author | Leong, ATL | - |
dc.contributor.author | Wu, EX | - |
dc.date.accessioned | 2024-03-11T10:23:51Z | - |
dc.date.available | 2024-03-11T10:23:51Z | - |
dc.date.issued | 2023-06-06 | - |
dc.identifier.uri | http://hdl.handle.net/10722/337783 | - |
dc.description.abstract | <p>At high field, magnetization transfer (MT) imaging suffers from the high specific absorption ratio (SAR) issue due to the usage of high power off-resonance MT RF pulses, and on-resonance saturation caused by B0 field inhomogeneity. At ultra-low-field (ULF), the low SAR and low <em>absolute </em>B0 inhomogeneity (in Hz) greatly facilitates the application of strong and versatile MT pulses without the confounding on-resonance saturation in practice. We demonstrate brain MT imaging at ULF first the first time using a 0.055 Tesla MRI platform with an extremely low SAR.<br></p> | - |
dc.language | eng | - |
dc.relation.ispartof | 2023 ISMRM & ISMRT Annual Meeting & Exhibition (03/06/2023-08/06/2023, Toronto) | - |
dc.title | Ultra-low-field Magnetization Transfer Imaging with Low SAR | - |
dc.type | Conference_Paper | - |