PULSED MAGNETIZATION TRANSFER VERSUS CONTINUOUS WAVE IRRADIATION FOR TISSUE CONTRAST ENHANCEMENT

被引：39
|
作者：
SCHNEIDER, E
PROST, RW
GLOVER, GH
机构：
[1] Applied Science Laboratory, W-875, GE Medical Systems, Waukesha, Wisconsin, 5318
[2] Department of Radiology, Medical College of Wisconsin, Milwaukee, Wisconsin
[3] Department of Diagnostic Radiology, Stanford University School of Medicine, Stanford, California
来源：
JMRI-JOURNAL OF MAGNETIC RESONANCE IMAGING | 1993年 / 3卷 / 02期
关键词：
CONTRAST ENHANCEMENT; MAGNETIZATION TRANSFER CONTRAST; PULSE SEQUENCES;
D O I：
10.1002/jmri.1880030218
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：
Pulsed magnetization transfer and continuous wave irradiation techniques are analyzed and compared for saturation efficiency and radio-frequency (RF) power requirements at 1.5 and 0.5 T. Binomial RF pulses transmitted on resonance are a more power-efficient method of exciting saturation transfer and are easily implemented with any pulse sequence. Binomial pulses selectively excite all short T2 species and behave as 0 pulses for on-resonance, long T2 species.
引用
收藏
页码：417 / 423
页数：7
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