Abstract #0572

Silicone-specific imaging using a unipolar flexible fast triple echo Dixon technique

Jingfei Ma¹, Jong Bum Son¹, Ken-Pin Hwang¹, and Basak Dogan¹

¹The University of Texas MD Anderson Cancer Center, Houston, TX, United States

Silicone-specific imaging can be performed using various combinations of selective inversion, selective saturation, and Dixon methods. In this work, we propose and demonstrate a new silicone-specific imaging method with a unipolar flexible fast spin echo triple echo Dixon pulse sequence. The method treats the water and fat signals as a single component by acquiring images only when water and fat are in-phase, and to use Dixon processing with flexible echo times to separate the remaining silicone signal. Among its many advantages, the method maintains high SNR and scan efficiency, is insensitive to field inhomogeneity, and is not subject to chemical shift misregistration.

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