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Abstract #0453

Hybrid Interleaved Multi-contrast Imaging (HIMI) for Simultaneous Brain and Carotid Vessel Wall Imaging

Shuo Chen1, Zechen Zhou1, Rui Li1, Xihai Zhao1, Huijun Chen1, Changwu Zhou1,2, Bida Zhang3, and Chun Yuan1,4

1Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China, People's Republic of, 2Department of Radiology, Yangzhou First People's Hospital, Yangzhou, China, People's Republic of, 3Healthcare Department, Philips Research China, Shanghai, China, People's Republic of, 4Vascular Imaging Laboratory, Department of Radiology, University of Washington, Seattle, WA, United States

The aim of this study was to develop a Hybrid Interleaved Multicontrast Imaging (HIMI) sequence for simultaneous brain and carotid vessel wall imaging. The proposed HIMI sequence takes advantage of the long delay time in conventional 3D FLAIR sequence to acquire multi-contrast carotid vessel wall images. Four healthy volunteers were recruited in this study. The results indicate that HIMI can generate a comparable FLAIR image with conventional FLAIR sequence and three more different contrast weighted (T1w, T2w, gray blood) carotid vessel wall images with the same scan time as a single conventional 3D FLAIR sequence.

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