Abstract #3450

Flip Angle Optimization in Diffusion-Weighted Imaging using Simultaneous Multi-Slice Acceleration

Wei Liu¹ and Kun Zhou¹

¹Siemens Shenzhen Magnetic Resonance Ltd, Shenzhen, China, People's Republic of

In this study, an automatic optimization scheme was proposed in diffusion-weighted imaging using simultaneous multi-slice (SMS) acceleration to determine an appropriate flip angle based on a short TR, which is capable to obtain similar contrast of a pair of tissue type compared to the one with long TR scan. With this optimization scheme, minimal TR in SMS case is practically achievable and there is no obvious contrast deviation between images from long TR (FA = 90⁰) and short TR (FA < 90⁰).

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