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Abstract #2196

Quantitative Susceptibility Mapping with Silent 3D Radial T2* Acquisition

Mauro Costagli1, Ana Beatriz Solana2, Guido Buonincontri1, Florian Wiesinger2, Michela Tosetti1, and Rolf F Schulte2

1Imago 7 Research Center, IRCCS Stella Maris, Pisa, Italy, 2ASL Europe, GE Healthcare, Munich, Germany

Recent implementations of radial Zero Echo Time (ZTE) techniques are capable of providing T2*-weighted signal. Quantitative Susceptibility Mapping (QSM) using such techniques might have several potential advantages, such as (i) robustness to head motion, flow artifacts and geometrical distortions, (ii) improved sampling efficiency, (iii) reduced acoustic noise, (iv) simultaneous acquisition of proton-density data. We assessed the QSMs obtained with two different silent radial techniques, and their accuracy was similar to that of QSM obtained with conventional scanning schemes, which encourages the development of ZTE-based techniques specifically tailored for efficient and silent QSM, to achieve important advantages in clinical applications.

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