Origin of a signal intensity loss artifact in fat-saturation MR imaging |
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| Authors: | Axel L Kolman L Charafeddine R Hwang S N Stolpen A H |
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| Affiliation: | Department of Radiology, University of Pennsylvania Medical Center, 3400 Spruce St, Philadelphia, PA 19104, USA. axel@oasis.rad.upenn.edu |
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| Abstract: | Artifactual water signal intensity loss can be observed on fat-saturation magnetic resonance (MR) images of inhomogeneous regions such as the thorax. Magnetic effects of air inclusions on fat-saturation pulses were investigated as the possible origin of this artifact. Computer simulation results agreed well with observed production of water saturation by means of nominal fat suppression in MR imaging of phantoms and a representative clinical example. |
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