Magnetic Resonance in Medical Sciences
Online ISSN : 1880-2206
Print ISSN : 1347-3182
ISSN-L : 1347-3182

This article has now been updated. Please use the final version.

A Comparison of Techniques for Correcting Eddy-current and Motion-induced Distortions in Diffusion-weighted Echo-planar Images
Jun Haneda, Akifumi Hagiwara, Masaaki Hori, Akihiko Wada, Issei Fukunaga, Katsutoshi Murata, Koji Kamagata, Shohei Fujita, Tomoko Maekawa, Ryusuke Irie, Tomohiro Takamura, Michimasa Suzuki, Kanako Kunishima Kumamaru, Shigeki Aoki
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Keywords: diffusion-weighted magnetic resonance imaging, dynamic field correction, echo-planar imaging, eddy current
JOURNAL OPEN ACCESS Advance online publication

Article ID: tn.2018-0095

The final version of this article is now available: Vol. 18 (2019), No. 4 pp. 272-275
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Abstract

The purpose of this study was to show the efficacy of dynamic field correction (DFC), a technique provided by the scanner software, in comparison to the FMRIB Software Library (FSL) post-processing “eddy” tool. DFC requires minimal additional scan time for the correction of eddy-current and motion-induced geometrical image distortions in diffusion-weighted echo-planar images. The fractional anisotropy derived from images corrected with DFC were comparable to images corrected with the “eddy” tool and significantly higher than images without correction, which demonstrates the utility of DFC.

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© 2018 by Japanese Society for Magnetic Resonance in Medicine

This article is licensed under a Creative Commons [Attribution-NonCommercial-NoDerivatives 4.0 International] license.
https://creativecommons.org/licenses/by-nc-nd/4.0/
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