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Abstract #0874

Joint estimation of T2 and diffusion tensor from DW-SSFP using EPG

Julien Lamy1, Mathieu Santin2, and Paulo Loureiro de Sousa1
1ICube, Université de Strasbourg-CNRS, Strasbourg, France, 2Institut du Cerveau, Paris, France


The DW-SSFP sequence is useful to attain strong diffusion-weighting on clinical systems while keeping a short repetition time. However, its analytical model does not account for the echo time. Using a 3D EPG model, we show that the echo time plays an important role, and that it cannot be neglected. We then provide a new method to jointly estimate T2 and the diffusion tensor on an ex-vivo fetal brain at 3 T.

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