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Abstract #4026

Accelerated Adaptive Quasi-Random Single-Point Imaging for in vivo Artefact Reduction

Tobias Speidel1 and Volker Rasche2

1Core Facility Small Animal Imaging, University of Ulm, Ulm, Germany, 2Department of Internal Medicine II, University of Ulm, Ulm, Germany

MR imaging of short relaxation times spin systems has been a widely discussed topic with serious clinical applications and led to the emergence of fast imaging ultra-short echo-time sequences such as UTE and ZTE. Nevertheless, these sequences suffer from image blurring due to the related point-spread function and are highly prone to imaging artefacts arising from e.g. chemical shifts or magnetic susceptibilities. In this work, we present a fully functional concept of spherical quasi-random single-point imaging that is highly acceleratable due to intrinsic undersampling properties and capable of strong metal artefact suppression with high tissue contrast.

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