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Abstract #4172

Combined Echo Two-Point Dixon method for high efficiency water/fat separation

Shi Cheng1, Kun Zhou1, Wei Liu1, and Dehe Weng1
1Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China

Spin-echo-based Dixon sequences may suffer from reduced SNR efficiency, due to dead time necessary for the readout shifts. In this abstract, an imaging method utilizing two pairs of fast-switching bipolar readout gradients and partially-opposed-phase and in-phase Dixon (CETD) is proposed to further reduce dead time. More attractively, the novel steps in joint reconstruction of the two pairs ensure the consistency of water-fat separation.

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