LOCALIZED PHOSPHORUS NMR-SPECTROSCOPY - A COMPARISON OF THE FID, DRESS, CRISIS/CODEX, AND STEAM METHODS INVITRO AND INVIVO USING A SURFACE-COIL

被引：10

作者：

JUNG, WI ^{[1
]}

KUPER, K ^{[1
]}

SCHICK, F ^{[1
]}

BUNSE, M ^{[1
]}

PFEFFER, M ^{[1
]}

PFEFFER, K ^{[1
]}

DIETZE, G ^{[1
]}

LUTZ, O ^{[1
]}

机构：

[1] UNIV TUBINGEN,INST PHYSIOL,MORGENSTELLE 14,W-7400 TUBINGEN 1,GERMANY

来源：

MAGNETIC RESONANCE IMAGING | 1992年 / 10卷 / 04期

关键词：

MRS; P-31; LOCALIZED SPECTROSCOPY; SURFACE-COIL; INVITRO; HUMAN;

D O I：

10.1016/0730-725X(92)90018-U

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：

The FID, DRESS, CRISIS/CODEX, and STEAM techniques for localized P-31 NMR spectroscopy were compared using a Siemens Magnetom SP63 1.5 T whole-body imager and a surface-coil, 80 mm in diameter, acting as transmitter and receiver coil. The comparison was performed with phantom experiments and human in vivo investigations on the calf muscle. The phantom experiments which used the same volume size showed a comparable signal-to-noise ratio for FID and DRESS, while the two fully localized techniques showed a reduction in signal-to-noise ratio to 76% for CRISIS/CODEX and 31% for STEAM. The in vivo measurements confirm the phantom results and reveal that CRISIS/CODEX gains a 2.5 fold higher signal-to-noise ratio than STEAM under the same conditions.

引用

页码：655 / 662

页数：8

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