Abstract #0563

Quad-contrast imaging with quantitative relaxation maps for clinical neuro-evaluation

Sooyeon Ji¹, Se-Hong Oh², and Jongho Lee¹

¹Electrical and Computer Engineering, Seoul National University, Seoul, Korea, Republic of, ²Biomedical Engineering, Hankuk University of Foreign Studies, Yongin, Korea, Republic of

A 2D quad-contrast sequence is developed to generate four different contrast images commonly used in the clinical patient scan (PDw, T₂w, T₁w, and FLAIR) and two quantitative maps (T₁- and T₂- maps) in 4:14 of scan time. The proposed sequence provides comparable tissue contrasts to that of conventional sequences. In particular, native FLAIR contrast is acquired, which does not display hyperintense brain surface that arises from partial volume error during parameter mapping. Psuedo-contrast images with different TE and TI are also synthesized utilizing the quantitative maps, analogous to MAGiC.

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