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

Geometric 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.