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Abstract #0874

3D radial UTE MRI for Comprehensive Imaging of Pulmonary Embolism in Canines

Peter Bannas 1,2 , Laura C Bell 3 , Kevin M Johnson 3 , Mark L Schiebler 1 , Christopher J Franois 1 , Utaroh Motosugi 1 , Dan Consigny 1 , Scott B Reeder 1,3 , and Scott K Nagle 1,3

1 Radiology, University of Wisconsin-Madison, Madison, WI, United States, 2 Radiology, University Medical Center Hamburg-Eppendorf, Hamburg, Hamburg, Germany, 3 Medical Physics, University of Wisconsin-Madison, WI, United States

Ultrashort echo time (UTE) MRI has been used successfully to image very short T2* tissues, including human lungs. In this animal study in canines we demonstrate the feasibility of using 3D radial UTE MRI to detect pulmonary emboli (PE) while simultaneously imaging the lung parenchyma with high image quality. This free-breathing method is implemented on commercially available hardware. The image quality and PE detection efficacy were compared to conventional MR angiography, using CTA as the standard of reference.

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