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Abstract #1491

Simultaneous T1 and T2* weighted 3D Anatomical Imaging using a Dual-Echo Sequence

Won-Joon Do 1 , Paul Kyu Han 1 , Seung Hong Choi 2 , and Sung-Hong Park 1

1 Department of Bio and Brain Engineering, Korean Advanced Institute of Science and Technology, Daejeon, Korea, 2 Seoul National University Hospital, Seoul, Korea

In this study we implemented a new dual-echo sequence for simultaneous acquisition of T1 and T2* weighted 3D Anatomical images. An echo-specific K-space reordering scheme was used to separately satisfy T1 and T2* contrast for the two echoes, which was determined to be 30 and 10-20 for the first echo and second echo, respectively. The results showed that the proposed method enables us to acquire both 3D T1 and T2* weighted images with scan time of ~3 min and a reasonable spatial coverage and resolution. The technique may be helpful for accelerating routine clinical studies requiring T1 and T2* acquisitions.

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