3D MTR measurement: from 1.5 T to 3.0 T

Cercignani, Mara ORCID: https://orcid.org/0000-0002-4550-2456 2006. 3D MTR measurement: from 1.5 T to 3.0 T. NeuroImage 31 (1) , pp. 181-186. 10.1016/j.neuroimage.2005.11.028

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Abstract

This study investigates some of the issues involved in magnetization transfer ratio (MTR) acquisition, and in particular aims to determine whether high quality in vivo MTR measurements can be made at 3.0 T. The dependency of the MTR white-to-grey matter contrast to noise ratio (CNR) on MT pulse characteristics at 1.5 T and at 3.0 T was investigated using an established two-pool model for MT. The simulations showed that MT pulse parameters optimizing the CNR can be derived for both field strengths. Both the SNR and the CNR of MTR maps at 3.0 T were increased compared to 1.5 T. Images obtained using a safe in vivo MTR acquisition protocol based on results of simulations at 3.0 T are presented.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Psychology
Publisher:	Elsevier
ISSN:	1053-8119
Date of Acceptance:	25 November 2005
Last Modified:	09 Nov 2022 10:26
URI:	https://orca.cardiff.ac.uk/id/eprint/139475

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