In this study, a spiral Dixon technique has been implemented for knee imaging at 3T with high in-plane resolution of up to 0.4 by 0.4 mm2. Volunteer scans have demonstrated that high quality proton density-weighted, T2-weighted and T1-weighted water and fat images can be obtained using spiral spin-echo and dual spin-echo Dixon methods with comparable total scan time as the conventional Cartesian fast (turbo) spin-echo sequences without Dixon. In addition, spiral radial plane imaging can shorten the scan time by 62% compared to the conventional radial plane method.
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