Proton MR spectroscopy of the normal human prostate with an endorectal coil and a double spin-echo pulse sequence

被引:70
作者
Heerschap, A
Jager, GJ
vanderGraaf, M
Barentsz, JO
Ruijs, SHJ
机构
[1] Department of Radiology, University Hospital Nijmegen, Nijmegen
[2] Department of Radiology, Medical Faculty, University Hospital Nijmegen, 6500 HB Nijmegen
关键词
human prostate; magnetic resonance spectroscopy; metabolites; spectroscopic imaging;
D O I
10.1002/mrm.1910370212
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
This report describes the use of an endorectal coil and a double spin-echo pulse sequence for localized H-1 MR spectroscopy of the normal prostate in volunteers. The spectra showed well-resolved signals for citrate, (phospho)choline, and creatine protons. Additional signals were assigned to taurine and myoinositol protons. J modulation of the main and outer peaks of citrate could be monitored in vivo. Apparent relaxation times T-1 and T-2 have been estimated for the methyl protons of cholines and creatine. An effective T-1 relaxation time was estimated for the main peaks of the citrate multiplet. Ratios of the integrals of these resonances have been evaluated, and tissue contents of choline and creatine were estimated using the H2O signal as an internal reference. Spectroscopic imaging experiments revealed a tower relative citrate signal in central parts of the prostate than in peripheral parts.
引用
收藏
页码:204 / 213
页数:10
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