Cited by 3,469Advanced Neuroimaging Techniques and ApplicationsAdvanced MRI Techniques and ApplicationsNMR spectroscopy and applications

How to correct susceptibility distortions in spin-echo echo-planar images: application to diffusion tensor imaging

Andersson, Jesper L.R., Skare, Stefan, Ashburner, John·2003·NeuroImage

Abstract

Diffusion tensor imaging is often performed by acquiring a series of diffusion-weighted spin-echo echo-planar images with different direction diffusion gradients. A problem of echo-planar images is the geometrical distortions that obtain near junctions between tissues of differing magnetic susceptibility. This results in distorted diffusion-tensor maps. To resolve this we suggest acquiring two images for each diffusion gradient; one with bottom-up and one with top-down traversal of k-space in the phase-encode direction. This achieves the simultaneous goals of providing information on the underlying displacement field and intensity maps with adequate spatial sampling density even in distorted areas. The resulting DT maps exhibit considerably higher geometric fidelity, as assessed by comparison to an image volume acquired using a conventional 3D MR technique.

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Crossref · 10.1016/s1053-8119(03)00336-7

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42 of 42 references verified0 citation errors · 0 not checkable

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  • All data sets were corrected for head motion, eddy currents and susceptibility distortions and are, in general, of very high quality.

    “All data sets were corrected for head motion, eddy currents and susceptibility distortions and are, in general, of very high quality69–73.”

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Authors
Andersson, J. L. R., Skare, S., & Ashburner, J.
Affiliations
  • Karolinska Institutet (SE)
  • Wellcome Trust (GB)
Corresponding author
Andersson, Jesper L.R.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2003-10
Volume
20
Issue
2
Pages
870-888
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1984453610
Cited by
3,469
References
42
Citations by year
2026: 331 · 2025: 440 · 2024: 433 · 2023: 356 · 2022: 361 · 2021: 349 · 2020: 313 · 2019: 247 · 2018: 184 · 2017: 119 · 2016: 95 · 2015: 69 · 2014: 45 · 2013: 34 · 2012: 21
FWCI
4.55
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
Vetenskapsrådet (621-2001-2844)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › NMR spectroscopy and applications
Keywords
diffusion tensor imaging, spin-echo echo-planar imaging, displacement field, diffusion-weighted imaging, geometric distortion correction
MeSH terms
Algorithms, Brain, Brain Mapping, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Models, Statistical, Echo-Planar Imaging

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