Effect of subject‐specific head morphometry on specific absorption rate estimates in parallel‐transmit MRI at 7 T

Purpose To assess the accuracy of morphing an established reference electromagnetic head model to a subject‐specific morphometry for the estimation of specific absorption rate (SAR) in 7T parallel‐transmit (pTx) MRI. Methods Synthetic T1‐weighted MR images were created from three high‐resolution ope...

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Vydáno v:	Magnetic resonance in medicine Ročník 89; číslo 6; s. 2376 - 2390
Hlavní autoři:	Jeong, Hongbae, Andersson, Jesper, Hess, Aaron, Jezzard, Peter
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	United States Wiley Subscription Services, Inc 01.06.2023 John Wiley and Sons Inc
Témata:	Absorption Circular polarization Composition Computer Processing and Modeling electromagnetic body models Magnetic resonance imaging Magnetic Resonance Imaging - methods Medical imaging Model accuracy Morphing Morphometry MRI safety nonlinear registration parallel transmit Phantoms, Imaging Registration RF transmit SAR RF transmit nonlinear registration parallel transmit electromagnetic body models SAR MRI safety
ISSN:	0740-3194, 1522-2594, 1522-2594
On-line přístup:	Získat plný text
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