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Abstract #1833

A Dual Spin-Echo Technique with Hybrid Spiral Readouts for Fast Simultaneous Proton Density- and T2-Weighted Fat-Water Imaging

Zhiqiang Li1, Dinghui Wang1, John P Karis2, and James G Pipe1

1Imaging Research, Barrow Neurological Institute, Phoenix, AZ, United States, 2Neuroradiology, Barrow Neurological Institute, Phoenix, AZ, United States

Turbo spin-echo (TSE) provides rapid T2-weighted imaging with slightly altered contrast compared to Cartesian spin-echo (SE). A spiral SE technique has been proposed for fast T2-weighted imaging without degrading the T2 contrast. In this study a dual echo spiral SE with hybrid spiral readouts is developed to simultaneously provide both proton density and T2 contrast without increasing the scan time. Volunteer results from the spiral dual SE technique demonstrate similar contrast to conventional SE, with a scan speed faster than Cartesian mDixon TSE.

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