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Abstract #2164

Flexible Temporal Reconstruction of Continuously Acquired Dynamic Contrast Enhanced Acquisition for Simultaneous Perfusion and Morphologic Imaging of the Abdomen

Hersh Chandarana 1 , Benjamin Abiri 1 , Byron Gaing 1 , Justin Ream 1 , Andrew Rosenkrantz 1 , Mary Bruno 1 , Henry Rusinek 1 , and Kai Tobias Block 1

1 Radiology, NYU Langone Medical Center, New York, NY, United States

Perfusion weighted imaging (PWI) is not incorporated into routinely abdominal imaging due to the need for additional contrast injection and acquisition time. We have developed a novel acquisition and reconstruction method called GRASP (GRASP: Golden-angle RAdial Sparse Parallel) whereby data is acquired continuously in free-breathing and retrospectively reconstructed with flexible temporal resolution. In this study we have shown that high temporal GRASP reconstruction can be used for PWI to accurately measure kidney function (MR-GFR) as compared with the Cartesian scheme. Furthermore images reconstructed with different temporal resolution from a single acquisition can be used for morphologic evaluation.

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