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Abstract #4276

Robust High Resolution Fat-Water Separation in the Abdomen During Free-Breathing by Self-Gated 2D Radial TrueFISP Imaging

Riad Ababneh1, Thomas Benkert2, Martin Blaimer2, Felix A. Breuer2

1Physics, Yarmouk University, Irbid, Jordan; 2Research Center Magnetic Resonance Bavaria, Wrzburg, Bavaria, Germany

We present a robust approach to separate fat and water signals in the abdomen during free breathing. The approach combined with a self-gated reconstruction of different respiratory phases in free-breathing. In this study a radial TrueFISP sequence was modified, wherein TE was made to vary between subsequent readouts. Good separation without streaking artifacts or blurring due to respiratory motion was obtained in all studied cases.

Keywords

abdomen abdominal accurate allowing allows application appropriate arbitrary artifacts audience behave blurring breathing carried caused challenging channel clinical clinicians coil combined concept conspicuous content correction decomposition derived described detected direct discriminate distributing domain dynamic employed employing enabling encoding enhances even expiration extending fast feature filters finally force free frequency funding future gated gating generate generation glover golden good healthy highest included increment inhomogeneity inspiration like made manner manually martin material modified motion objects outs periodically physicists physics processing projection projections propose providing pulse radial read readout reconstructed reconstruction reduces repeated resolution resolved respiratory robust sampling scanner sector selected self sensitivity separate separated separation series specifically strategy streaking studied subsequent sufficient synthesize target targeted temporal thereby toolbox towards trajectory trans transform true unfold uniform variations vary volunteer water wherein window windows