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Abstract #2488

Faster-than-acquisition 4D sparse reconstruction for Cartesian 2D SENSE-type acquisition

Eric A. Borisch 1 , Joshua D. Trzasko 1 , Adam T. Froemming 2 , Roger C. Grimm 1 , Akira Kawashima 2 , Armando Manduca 1 , Phillip M. Young 2 , and Stephen J. Riederer 1

1 Mayo Clinic, Rochester, MN, United States, 2 Radiology, Mayo Clinic, Rochester, MN, United States

A description of the successful implementation and integration into clinical workflow of a faster-than-acquisition sparse sampling reconstruction is presented, with DCE perfusion imaging of the prostate as an example application. A 4D time series with 55 timeframes is acquired with 2D SENSE acceleration in under 6 minutes, with the reconstruction completing in under 5 minutes; a reconstruction time of less than 5 seconds per 3D volume. Improved SNR and retained sharpness are observed relative to a traditional SENSE reconstruction of the same acquired data.

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