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Abstract #2176

Multi-parametric quantitative MRI without inversion pulses by optimized RF phase modulation

Miha Fuderer1, Hongyan Liu1, Oscar van der Heide1, Cornelis A.T. van den Berg1, and Alessandro Sbrizzi1
1Division Imaging and Oncology, University Medical Center Utrecht, Utrecht, Netherlands

Synopsis

Keywords: MR Fingerprinting/Synthetic MR, RelaxometryWe applied optimized phase modulation to the RF sequence in MR-STAT. We observe that applying optimized phase is beneficial towards the accuracy of T1 and T2 maps, particularly under constrained conditions. In particular, when comparing sequences with and without an initial inversion pulse we observe that the difference vanishes when applying optimized RF phase modulation. Thus optimized phase modulation allows to omit the initial inversion pulse. We hypothesize that the same holds for other multi-parametric qMRI techniques such as MRF.

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