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SELECTIVE ZERO-QUANTUM COHERENCE TRANSFER (SEL-ZQC) METHOD FOR METABOLITE IMAGING IN A POORLY SHIMMED MAGNET FIELD WITHOUT SUSCEPTIBILITY ARTIFACT
SELECTIVE ZERO-QUANTUM COHERENCE TRANSFER (SEL-ZQC) METHOD FOR METABOLITE IMAGING IN A POORLY SHIMMED MAGNET FIELD WITHOUT SUSCEPTIBILITY ARTIFACT
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机译:在没有敏感度伪影的弱磁场中的选择性零量子相干转移(SEL-ZQC)方法用于代谢产物成像
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摘要
Systems and methods employing spin editing techniques to improve magnetic resonance spectroscopy (MRS) and magnetic resonance spectroscopic imaging (MRSI) are discussed. Using these spin editing techniques, magnetic resonance signals of one or more non-target chemicals (chemicals whose signals are to be filtered out or suppressed) chemicals can be suppressed, so that the signal(s) of a set of target chemicals can be obtained without signals from the one or more non-target chemicals. Information about and differences between the molecular topologies of the first set of chemicals and the one or more unwanted chemicals can be used to design a sequence that suppresses the one or more unwanted chemicals while allowing acquisition of signal(s) from the first set of chemicals. These techniques can be employed to recover sharp peaks despite magnetic field inhomogeneities and susceptibility effects.
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