International Journal of Radiation Oncology*Biology*Physics
Therapeutic oncologic imagingThe effect of radiation on normal human CNS as detected by NMR spectroscopy
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2015, Magnetic Resonance ImagingCitation Excerpt :Based on the above, when TE is longer than recommended, it is necessary to adjust the correction coefficient since the signal correction is insufficient. Although the ratios of quantitative values obtained using LCModel and the T2-corrected internal reference method tended to be large at long TE, there was no significant difference because the ratios differed substantially between patients (Fig. 2), owing to the large differences in T2 relaxation times of water and metabolites between individual patients [10,17–19]. In the T2-corrected internal reference method, the signal value at TE = 0 ms is extrapolated by deriving the T2 relaxation curve from three TE points.
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