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
Radiology, University of Wisconsin-Madison,
Madison, WI, United States,
University Medical Center Hamburg-Eppendorf, Hamburg,
Physics, University of Wisconsin-Madison, WI, United
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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