Abstract #1172

Synthetic MRI: an old concept becomes practical

Christina Andica¹, Akifumi Hagiwara^1,2, Misaki Nakazawa^1,3, Masaaki Hori¹, Saori Shiota¹, Mariko Yoshida¹, Kanako Sato¹, Yuko Takahashi¹, Kanako Kumamaru¹, Michimasa Suzuki¹, Atsushi Nakanishi¹, Kouhei Tsuruta^1,3, Ryo Ueda^1,3, and Shigeki Aoki¹

¹Department of Radiology, Juntendo University School of Medicine, Tokyo, Japan, ²Department of Radiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, ³Department of Radiological Sciences, Graduate School of Human Health Sciences, Tokyo Metropolitan University, Tokyo, Japan

Synthetic magnetic resonance imaging (MRI) is a technique which can be used to synthesize contrast-weighted images based on quantification of the longitudinal T1 relaxation, the transverse T2 relaxation, the proton density (PD), and the amplitude of the local radio frequency B1 field. Synthetic MRI images were useful in the evaluation of brain disorders. With Synthetic MRI, echo time (TE), repetition time (TR), and inversion time (TI) of the contrast-weighted image can be freely adjusted retrospectively to optimize image quality. Limitation of synthetic MRI is the partial volume effect.

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