A systematic study of the lactate lineshape in PRESS-localized proton spectroscopy

被引：16

作者：

Marshall, I ^{[1
]}

Wild, J ^{[1
]}

机构：

[1] Univ Edinburgh, Dept Med Phys & Med Engn, Edinburgh, Midlothian, Scotland

来源：

MAGNETIC RESONANCE IN MEDICINE | 1998年 / 40卷 / 01期

关键词：

PRESS; lactate; quantification; modeling;

D O I：

10.1002/mrm.1910400111

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

J-coupled resonances such as lactate exhibit complex behavior in PRESS-localized spectroscopy. Polarization transfer effects due to nonideal slice profiles can lead to substantial errors in quantification unless recognized, In this work, it is shown how these effects can be predicted in a systematic way given the sequence timing and the RF pulse envelopes. Experimental results are presented to highlight the problems of working at the popular Echo time of 2/J.

引用

页码：72 / 78

页数：7

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