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 Buonincontri^4,5, and Wing P. Chan^1,6

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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