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Abstract #0887

Isotropic MRI of the Upper Extremity with 3D-FSE-Cube

Lauren M. Shapiro1, Alicia M. Jenkins1, Kathryn J. Stevens1, Charles Q. Li1, Weitian Chen2, Anja C.S. Brau2, Brian A. Hargreaves1, Garry E. Gold3

1Radiology, Stanford University, Stanford, CA, United States; 2Applied Science Laboratory, GE Healthcare, Menlo Park, CA, United States; 3Radiology, Bioengineering, Orthopedics, Stanford University, Stanford, CA, United States

Two-dimensional fast spin-echo (2D-FSE) is commonly used to image the upper extremity, however it is limited by slice gaps, partial volume artifact and poor quality reformats. Three-dimensional fast spin-echo (3D-FSE-Cube) overcomes these limitations by acquiring isotropic data, allowing for reformations in oblique planes while decreasing exam time. Our study compared 2D-FSE with 3D-FSE-Cube at 3.0T in the upper extremity. 3D-FSE-Cube demonstrated similar or significantly higher signal-to-noise compared with 2D-FSE. 3D-FSE-Cube images were slightly worse than 2D-FSE with respect to blurring, artifacts, and overall image quality. 3D-FSE-Cube may improve visualization of complex upper extremity anatomy and make multiple 2D acquisitions unnecessary.