Intracranial Arteriovenous Malformations: Real-Time Auto-triggered Elliptic Centric-ordered 3D Gadolinium-enhanced MR Angiography—Initial Assessment
Richard Farb(University Health Network), Caitlin McGregor, Jae K. Kim, Matthieu Laliberte, J. Andrew Derbyshire, Robert A. Willinsky, Perry W. Cooper, David G. Westman, Gordon Cheung, Michael L. Schwartz, Jeffrey A. Stainsby, Graham A. Wright
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Abstract
Auto-triggered elliptic centric-ordered three-dimensional (3D) gadolinium-enhanced magnetic resonance (MR) angiography was compared with 3D multiple overlapping thin-slab acquisition time-of-flight (TOF) MR angiography in the evaluation of intracranial arteriovenous malformations (AVMs) in 10 patients. Intraarterial digital subtraction angiography (DSA) was the reference standard. Gadolinium-enhanced MR angiograms were found to be equivalent to DSA images in AVM component depiction in 70%--90% of cases and were consistently superior to TOF MR angiograms.
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