Imaging of the moving wrist using rapid undersampled k-space acquisition with iterative reconstruction

This abstract describes the use of undersampled cartesian and radial k-space acquisition, combined with iterative, cost-function based image reconstruction for rapid real-time imaging of the moving wrist. The techniques provide sufficient image quality for observation and quantitative measurement of changing carpal bone angles and distances during the motion, and spatial and temporal resolution of the image set can be flexibly traded-off as part of reconstruction after the k-space data has been collected. These measurements are important for assessment of carpal bone instability, tendon dislocation, and other pathologies of wrist joint action.

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