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Abstract #0241

Time-resolved Dixon MR angiography of patients with peripheral vascular disease at 3.0 T

Courtney K Morrison 1 , Mahdi S Rahimi 1 , Kang Wang 2 , James H Holmes 2 , Peter Bannas 3,4 , Utaroh Motosugi 3 , and Frank R Korosec 1,3

1 Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, 2 Global MR Applications and Workflow, GE Healthcare, Madison, WI, United States, 3 Radiology, University of Wisconsin-Madison, Madison, WI, United States, 4 Radiology, University Hospital Hamburg-Eppendorf, Hamburg, Germany

Conventional contrast-enhanced peripheral MR angiography (MRA) typically uses subtraction-based methods, which are susceptible to misregistration from patient motion and suffer from decreased signal-to-noise ratio (SNR) relative to non-subtractive methods. Previous work has demonstrated the use of non-subtractive contrast-enhanced peripheral MRA at 3.0 T during the steady state and at 1.5 T using a bolus-chase method. This work investigates the clinical feasibility of using a contrast-enhanced, time-resolved, non-subtractive method for MRA at 3.0 T in patients with peripheral vascular disease.

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