Origin of a signal intensity loss artifact in fat-saturation MR imaging.
basic_science · Level V
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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.
Medical subject headings
- Adipose Tissue
- Artifacts
- Computer Simulation
- Magnetic Resonance Imaging
- Phantoms, Imaging