Abstract #4166

Radial Fast Spin Echo MRI with Compressed Sensing for Simultaneous ADC and T2 Mapping

Lars Bielak^1,2, Thomas Lottner¹, and Michael Bock^1,2

¹Dept.of Radiology, Medical Physics, Medical Center University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany, ²German Cancer Consortium (DKTK), Partner Site Freiburg, Freiburg, Germany

A novel sequence design based on radial fast spin echo with interleaved diffusion sensitization for simultaneous ADC and T₂ mapping is presented. Additionally, a model restriction to a conventional compressed sensing reconstruction is implemented to support higher undersampling during acquisition. Simulations and phantom measurements show accurate measurement of diffusion ADC and T₂ with as few as 11 spokes per TE, and 45 different TEs.

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