Abstract #1210

Repeatability Measurements of Magnetic Resonance Fingerprinting Metrics using ACR and ISMRM/NIST Phantoms: A Multi-Center Study

Amaresha Konar Shridhar¹, Guido Buonincontri², Vaios Hatzoglou³, Maggie Fung⁴, Pedro Gomez^5,6, Rolf Schulte⁷, Kavya Prasad⁸, Michael Liu⁹, Miriam Klein⁹, Sairam Geethanath¹⁰, Lawrence H Schwartz⁹, Amita Shukla-Dave^1,3, and Sachin Jambawalikar⁹

¹Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, United States, ²Imago7 Foundation, Pisa, Italy, ³Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, United States, ⁴GE Healthcare, New York, NY, United States, ⁵Computer Science, Technical University of Munich, Munich, Germany, ⁶Global Research, GE Healthcare, Munich, Germany, ⁷GE Healthcare MR Workflow & Application Team, GE Healthcare, New York, NY, United States, ⁸Applied Physics and Applied Mathematics, Columbia University Medical Center, New York, NY, United States, ⁹Department of Radiology, Columbia University Medical Center, New York, NY, United States, ¹⁰Columbia Magnetic Resonance Research Program, Columbia University Medical Center, New York, NY, United States

Magnetic Resonance Fingerprinting (MRF) provides multiple quantitative imaging (QI) metrics within a single MR acquisition. The quantitative images must be standardized to generate MR protocols for acquisition of biomarkers. In this study both qualitative and quantitative repeatability experiments have been performed using ACR and ISMRM/NIST system phantoms at three collaborative centers (2 USA, 1 Europe) to evaluate imaging data consistency and the inherent reliability (Coefficient of Variation) of MRF. Results of both qualitative and quantitative study has shown reliability of MRF method.

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