期刊
NMR IN BIOMEDICINE
卷 16, 期 3, 页码 168-176出版社
WILEY-BLACKWELL
DOI: 10.1002/nbm.821
关键词
phosphorus-31 magnetic resonance spectroscopy; quantification; prior knowledge; spectral analysis; time domain
Prior knowledge is required when quantifying in vivo P-31 magnetic resonance spectra from the brain or liver. The prior knowledge system we have used models both the phosphomonoester and phosphodiester resonances as two peaks of equal linewidth and fixed relative chemical shift. The analysis of the data is carried out in the time domain, which allows the broad component of the spectra to be modelled. This prior knowledge method has been tested for analysis of in vivo P-31 MR spectra from the liver and brain and gives results consistent with other methods that are also used to analyse the spectra, but with reduced variability. This technique may be utilized for studies requiring serial MR spectroscopy examinations, before and after patient treatment. Copyright (C) 2003 John Wiley Sons, Ltd.
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