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Abstract #3631

Accelerating 2D Kidney Magnetic Resonance Fingerprinting using Deep Learning–Based Tissue Quantification

Huay Din1, Christina J. MacAskill2, Sree Harsha Tirumani2,3, Pew-Thian Yap4, Mark Griswold2,3, Chris Flask2,3, and Yong Chen1,3
1Case Western Reserve University, Cleveland, OH, United States, 2Department of Radiology, Case Western Reserve University, Cleveland, OH, United States, 3Department of Radiology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States, 4Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States

Synopsis

Keywords: Kidney, Quantitative Imaging, CancerIn this pilot study, we developed and optimized a spatially-constrained convolutional neural network to accelerate the scan time for 2D kidney Magnetic Resonance Fingerprinting (MRF). Our results suggest that an acceleration factor of 3 can be achieved with the proposed method, which shortens the 2D breath-hold MRF scan from 15 sec to 5 sec. In addition, the deep learning based approach can be applied for T1 and T2 quantification of both normal renal tissues and pathologies including renal cell carcinoma.

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