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Abstract #1195

Measuring 3D knee dynamics using center out radial ultra-short echo time trajectories with a low cost experimental setup

Martin Krmer 1 , Karl-Heinz Herrmann 1 , Heide Boeth 2 , Christoph von Tycowicz 3 , Christian Knig 2 , Stefan Zachow 3 , Rainald M Ehrig 3 , Hans-Christian Hege 3 , Georg N Duda 2 , and Jrgen R Reichenbach 1

1 Medical Physics Group, Institute of Diagnostic and Interventional Radiology, Jena University Hospital - Friedrich Schiller University Jena, Jena, Germany, 2 Julius Wolff Institute and Center for Musculoskeletal Surgery, Charit Universittsmedizin Berlin, Berlin, Germany, 3 Zuse Institute Berlin, Berlin, Germany

To acquire dynamic movements of the whole knee with isotropic resolution a 3D radial center-out acquisition scheme is combined with a low cost experimental measurement setup to perform single passive knee flexion. With a spatial resolution of ( mm, the acquired 4D dynamic data sets are well suited for highly flexible subsequent image analysis including reconstruction of arbitrarily oriented or curved slices. In this work, we describe the measurement setup and imaging sequence and show the first basic measurement and reconstruction results.

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