Simulation of susceptibility artifacts in 2D and 3D Fourier transform spin-echo and gradient-echo magnetic resonance imaging

A method is presented for simulating susceptibility artifacts in 2D and 3D spin-echo and gradient-echo imaging of arbitrary susceptibility distributions. The method incorporates object induced field perturbations in the time domain (k-space) and is demonstrated for spherical nonuniformities in susce...

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Bibliographic Details
Published inMagnetic resonance imaging Vol. 12; no. 5; pp. 767 - 774
Main Authors BAKKER, C. J. G, BHAGWANDIEN, R, MOERLAND, M. A, RAMOS, L. M. P
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Science 1994
Subjects
Biological and medical sciences
Computer Simulation
Fourier Analysis
Humans
Investigative techniques, diagnostic techniques (general aspects)
Magnetic Resonance Imaging - methods
Medical sciences
Miscellaneous. Technology
Models, Structural
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Reproducibility of Results
Geometry
Gradient echo
Fourier transformation
Simulation
Distribution
Distortion
Spin echo
Nuclear magnetic resonance imaging
Magnetic susceptibility
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Summary:A method is presented for simulating susceptibility artifacts in 2D and 3D spin-echo and gradient-echo imaging of arbitrary susceptibility distributions. The method incorporates object induced field perturbations in the time domain (k-space) and is demonstrated for spherical nonuniformities in susceptibility. Both simulations and experimental results for multi-slice 2D and 3D imaging of phantoms and human subjects are provided.
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SourceType-Scholarly Journals-1
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ISSN:0730-725X
1873-5894
DOI:10.1016/0730-725x(94)92201-2