Abstract #1041

Flexibility and Robustness of Cones UTE for Pediatric Abdominal and Chest Imaging

Joseph Y. Cheng¹, Wenwen Jiang², Michael Carl³, Michael Lustig⁴, and Shreyas S. Vasanawala¹

¹Department of Radiology, Stanford University, Stanford, CA, United States, ²Department of Bioengineering, University of California, Berkeley, CA, ³Applied Science Laboratory, GE Healthcare, San Diego, CA, ⁴Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, United States

Three-dimensional cones k-space sampling trajectory in UTE imaging is ideal for pediatric abdominal and chest MRI which are often hindered by patient motion and lengthy scan durations. The scan-time efficiency of the trajectory reduces scan durations with little to no subsampling. With the repeated sampling and oversampling of the k-space center, the acquisition is robust to motion and can flexibly retrospectively tradeoff spatial and temporal resolutions. Lastly, the method enables retrospective delineation of physiological dynamics. These features of cones UTE enable flexibility and robustness that is ideal for pediatric MRI.

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