CORRECTION OF CHEMICAL-SHIFT ARTIFACTS IN MULTISLICE F-19 IMAGING WITH PERFLUOROOCTYL BROMIDE

被引:5
|
作者
OZDEMIREL, B
NALCIOGLU, O
机构
[1] Department of Radiological Sciences, Division of Physics and Engineering, University of California, Irvine, California
关键词
D O I
10.1002/mrm.1910230212
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
Chemical‐shift artifact correction methods for multislice F‐19 imaging with perfluorooctyl bromide are described and results obtained with physical phantoms presented. Utilization of the two long‐T2 spectral peaks of PFOB in multislice imaging enhances the imaging efficiency considerably. Simultaneous imaging of the adjacent slices is achieved by appropriately adjusting the slice selection gradient amplitude, the bandwidth, and the slice position offset frequency of the selective RF pulses in relation to the frequency separation between the two peaks. © 1992 Academic Press, Inc. Copyright © 1992 Wiley‐Liss, Inc., A Wiley Company
引用
收藏
页码:324 / 332
页数:9
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