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Abstract #2187

The influence of diffusion in fast multi-parametric relaxometry

Miha Fuderer1, Oscar van der Heide1, C.A.T. van den Berg1, and Alessandro Sbrizzi1
1Division Imaging and Oncology, University Medical Center Utrecht, Utrecht, Netherlands

Synopsis

Keywords: MR Fingerprinting/Synthetic MR, RelaxometryIn MRF, it has been established – but often ignored – that the presence of diffusion causes bias in the estimated T2. We measure this effect in MR-STAT. Thereby we confirm the theoretical model that the bias is proportional to the square of T2. We also find that the bias level strongly depends on the RF sequence used. This opens the prospect of optimizing sequences on minimal diffusion-induced bias in T2.

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