Visualization and quantification of flow and velocity fields in intracranial arteriovenous malformations using phase-contrast MR angiography

被引：10
作者：
Grinstead, JW
Sinha, S
Tateshima, S
Nien, YL
Vinuela, F
机构：
[1] Univ Calif Los Angeles, Dept Radiol Sci, Los Angeles, CA 90095 USA
[2] Siemens Med Solut, Los Angeles, CA 90095 USA
[3] Atsugi City Hosp, Dept Neurosurg, Atsugi, Kanagawa 2430004, Japan
[4] Keio Univ, Sch Engn, Dept Syst Design Engn, Kohoku Ku, Yokohama 2288522, Japan
来源：
AMERICAN JOURNAL OF ROENTGENOLOGY | 2006年 / 186卷 / 02期
关键词：
angiography; cine MRI; congenital malformations; hemodynamics; neuroimaging;
D O I：
10.2214/AJR.04.1375
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：
OBJECTIVE. The objective of this study was to describe postprocessing tools for MR phase-contrast flow quantification images and apply those tools to cerebral arteriovenous malformations (AVMs) to visualize blood flow dynamics noninvasively. CONCLUSION. Inflow and outflow zones were clearly depicted at different regions in the AVM. The processed images showed flow patterns including vortical flow and variations in velocity over the cardiac cycle. Particle tracking gave an impression of the overall flow state and of the venous drainage system in particular.
引用
收藏
页码：553 / 555
页数：3
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