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Abstract #3086

Virtual Phantom (ViP) MRI: a method to generate virtual phantoms that mimic water-fat systems

Roberto Salvati 1,2 , Eric Hitti 1,2 , Jean-Jacques Bellanger 1,2 , Herve Saint-Jalmes 1,2 , and Giulio Gambarota 1,2

1 Universit de Rennes 1, LTSI, Rennes, France, 2 INSERM, UMR 1099, Rennes, France

Virtual Phantom (ViP) for Magnetic Resonance Imaging (MRI) is a method to generate reference signals, without using physical objects, using an external waveform generator and an RF coil. In a previous work it was shown that ViP MRI could substitute agar gel phantoms, using magnitude images. The aim of the current study was to test the feasibility of the ViP MRI method to generate magnitude and phase images that mimic water-fat systems. To this aim, multi gradient-echo magnitude and phase images of ViPs and physical phantoms were acquired for IDEAL (Iterative Decomposition with Echo Asymmetry and Least squares estimation) reconstruction.

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