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Abstract #3749

Effects of spatial encoding strategies on 2D and 3D magnetic resonance fingerprinting

Matteo Cencini1,2, Pedro A Gómez3, Mohammad Golbabaee 4, Rolf F Schulte5, Giada Fallo1,2, Luca Peretti1,2, Michela Tosetti2,6, Bjoern H Menze3, and Guido Buonincontri2,6
1University of Pisa, Pisa, Italy, 2Imago7 Foundation, Pisa, Italy, 3Technical University of Munich, Munich, Germany, 4University of Bath, Bath, United Kingdom, 5GE Healthcare, Munich, Germany, 6IRCCS Stella Maris, Pisa, Italy

Transient-state imaging techniques such as MR Fingerprinting allow for simultaneous quantification of tissue properties by using variable acquisition parameters in conjunction with undersampled non-Cartesian trajectories. Several implementations exist in literature, relying on two- or three-dimensional sampling readouts. Here, we studied the effect of the spatial encoding on quantification. In addition, an evaluation of the impact on parametric maps of anti-aliasing techniques (k-space weighted image constrast) was performed, both in vitro and in vivo.

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