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 Zhou^1,2, Bida Zhang³, and Chun Yuan^1,4

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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