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Abstract #1437

Volumetric Dynamic Imaging for Functional Kinematic Assessment of the Wrist

Ruoxun Zi1, Bili Wang1, Jerzy Walczyk1, Ryan Brown1, Catherine Petchprapa1, James Fishbaugh2, Guido Gerig2, Kai Tobias Block1, and Riccardo Lattanzi1
1The Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States, 2Department of Computer Science and Engineering, New York University Tandon School of Engineerin, Brooklyn, NY, United States

Synopsis

Keywords: Joints, MSK, WristDynamic MRI can be useful for evaluation of wrist instability. However, most available real-time MRI methods are either limited due to their 2D nature or provide only low temporal resolution and insufficient image quality. Here, we propose a novel approach for volumetric dynamic wrist examination by assembling 2D real-time data into 3D snapshots using MRI-visible markers. The method has been demonstrated for ulnar-radial deviation using a flexible wrist coil and 3D-printed support platform for guiding motion. Future work will use a high-resolution static MRI as morphological prior to segment bones on the dynamic volumes and allow for quantitative kinematic assessment.

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Keywords