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Abstract #4031

Long-T2 suppression based on saturation and diffusion in a steady-state 3D-UTE sequence

Lucas Soustelle1, Julien Lamy1, Paulo Loureiro de Sousa1, François Rousseau2, and Jean-Paul Armspach1

1Université de Strasbourg, CNRS, ICube, FMTS, Strasbourg, France, 2Institut Mines Télécom, Télécom Bretagne, INSERM LaTIM, Brest, France

A new method for long-T2 suppression in a prepared steady-state 3D-UTE sequence is introduced. The method is based on long-T2 signal behavior in steady-state as the diffusion-inducing spoiling gradients are modified, giving a theoretical signal cancellation using appropriate coherence combinations. At the same time, short-T2 signal quantity is optimized, offering a positive contrast over this component. Imaging experiments over a Lego brick soaked in doped water show an excellent agreement with theoretical predictions.

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