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Abstract #0570

A MULTIPLEX-Lite method for fast 3D multi-parametric imaging with MR Angiography

Yongquan Ye1, Miaowen Li2, Hongyu Li1, Ying Wu3, and Jian Xu1
1UIH America, Inc., Houston, TX, United States, 2United Imaging Research Institute of Innovative Medical Equipment, Shenzhen, China, 3United Imaging Healthcare, Shanghai, China

Synopsis

Keywords: Pulse Sequence Design, Multi-Contrast

Motivation: Existing 3D multi-parametric imaging methods suffers from long scan times, and decent MRA contrasts are yet to be provided.

Goal(s): To develop a 3-minute 3D high resolution multi-parametric imaging method that offeres whole brain imaging with TOF quality MRA results.

Approach: A simplified version of the MULTIPLEX method, namely MULTIPLEX-Lite, is proposed. Compared to the original MULTIPLEX method, addtional MRA results are offered, while removing the T1 and PD mappings to further improve scan time.

Results: The proposed MULTIPLEX-Lite method offered whole brain high resolution (<1mm3 voxel volume) MRA, PDW, T1W, aT1W, SWI, R2* maps and QSM in one 3-minute scan.

Impact: The proposed MULTIPLEX-Lite method is among the most feasible and practical solutions for routine clinically friendly 3D high-resolution multi-parametric imaging practices.

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