MR ventriculocisternography by using 3D balanced steady-state free precession imaging: technical note.
作者信息
Wu Ming-Long, Ko Cheng-Wen, Chen Ting-Yi, Wu Ming-Ting, Chung Hsiao-Wen, Huang Teng-Yi, Lin Yi-Ru
机构信息
Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, Republic of China.
出版信息
AJNR Am J Neuroradiol. 2005 May;26(5):1170-3.
Abstract
This study investigated the effects of flip angle setting in 3D balanced steady-state free precession (SSFP) imaging on CSF-parenchyma contrast and section aliasing artifacts. Theoretical derivations indicated that the extent of section aliasing artifacts decreased as the flip angle was lowered, at the expense of a sacrifice in CSF-parenchyma contrast. Experimental data agreed closely with theoretical predictions. A flip angle of about 40 degrees is therefore recommended for 3D balanced SSFP MR ventriculocisternography.
摘要
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