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Abstract #0626

Improved 3D DESS MR Neurography of the Lumbosacral Plexus with Deep Learning and Geometric Image Combination

Yenpo Lin1,2, Ek T. Tan1, Gracyn Campbell1, Philip G. Colucci1, Sumedha Singh1, Yan Wen3, Qian Li1, and Darryl B. Sneag1
1Hospital for Special Surgery, New York, NY, United States, 2Chang Gung Memorial Hospital, Taipei, Taiwan, 3GE Healthcare, Waukesha, WI, United States

Synopsis

Keywords: Neurography, NeurographyGeometric image combination (GIC) and deep learning (DL) reconstructions were together applied to improve nerve visualization in lumbosacral plexus MR neurography (MRN) using the 3D dual echo steady-state free precession (DESS) sequence. Qualitative comparisons were made against standard image reconstruction of the 2nd echo of the DESS sequence. While standard-of-care (SOC) reconstructions of 3D DESS images provided effective vascular suppression and good nerve conspicuity, the DL-GIC reconstructed images demonstrated similar or improved nerve conspicuity.

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Keywords