Abstract #2408
Non-Subtraction Dynamic Contrast Enhanced MR Angiography at 3T using IVD Sampling, Parallel Imaging and 2-pt Dixon
Kang Wang 1 , Mahdi Salmani Rahimi 2 , Courtney K Morrison 3 , Christopher J Francois 4 , James H Holmes 1 , and Frank R Korosec 3,4
1
Global MR Applications and Workflow, GE
Healthcare, Madison, WI, United States,
2
Biomedical
Engineering, University of Wisconsin-Madison, WI, United
States,
3
Medical
Physics, University of Wisconsin-Madison, WI, United
States,
4
Radiology,
University of Wisconsin-Madison, WI, United States
Conventional subtraction-based dynamic contrast-enhanced
(DCE) MR Angiography (MRA) is susceptible to patient
motion between the pre-contrast mask and the contrast
phases. Recently, a 2-point Dixon based non-subtraction
method for CE MRA has been proposed and improved motion
robustness has been shown. However, it was demonstrated
with single phase MRA; no temporal information was
obtained. In this work, we combined 2-pt Dixon with fast
dynamic imaging techniques and applied it for DCE MRA at
3T, eliminating the need for bolus timing or monitoring
and gathering temporal information.
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