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Abstract #3660

Comparing the Quantitative T1 and T2 Mapping Acquired by Magnetic Resonance image Compilation (MAGiC) and MR Fingerprinting (MRF)

Chia-Wei Li1, Ai-Ling Hsu1, Chien-Yuan Lin2, Charng-Chyi Shieh2, Jianxun Qu3, Guido Buonincontri4,5, and Wing P. Chan1,6

1Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan, 2GE Healthcare, Taipei, Taiwan, 3GE Healthcare MR Research China, Beijing, China, 4IMAGO7 Foundation, Pisa, Italy, 5National Institute for Nuclear Physics, Pisa, Italy, 6Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan

Quantifying tissue T1 and T2 provides valuable biomarker for characterizing various tissue pathologies yet limits by its long scan time and consequently hampered their clinical practice. Magnetic resonance image compilation (MAGiC) and Magnetic resonance fingerprinting (MRF) are novel imaging techniques that simultaneously provide quantitative maps of tissue relaxation times at one acquisition. We compared the quantitative values in various brain tissue using the MAGiC and MRF in healthy volunteers. In quantifying T1 between two techniques, no significant difference was found in white matter and gray matter, but difference was observed in cerebrospinal fluid. On the contrary, T2 value showed significant difference.

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