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Abstract #3834

Impact of Temporal Resolution on Diagnostic Performance of Quantitative DCE-MRI of Prostate Cancer: Evaluation using a Novel Golden-Angle Radial Compressed-Sensing Sequence and Single Contrast Injection

Nainesh Parikh 1 , Justin Ream 1 , Tobias Block 2 , Weisheng Xu 3 , Hersh Chandarana 1 , Li Feng 2 , Samir Taneja 4 , and Andrew Rosenkrantz 1

1 Radiology, NYU School of Medicine, New York, NY, United States, 2 Radiology, Center for Advanced Imaging Innovation and Research NYU School of Medicine, New York, NY, United States, 3 Pathology, NYU School of Medicine, New York, NY, United States, 4 Urologic Oncology, NYU School of Medicine, New York, NY, United States

We used a novel DCE-MRI sequence [Golden-angle RAdial Sparse Parallel (GRASP)] that employees compressed sensing and continuous radial acquisition to retrospectively reconstruct prostate DCE-MRI data obtained after a single contrast injection at temporal resolutions varying between approximately 1 and 10 seconds. The temporal resolution did not impact diagnostic performance of quantitative DCE metrics for tumor detection.

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