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Abstract #3821

High-Performance Low-Field MRI of the Lumbar Spine: Comparison of 0.55T MRI With Two Gradient Systems To 1.5T MRI in Humans           

Mohammad Samim1, Mahesh Bharath Keerthivasan2, Iman Khodarahmi1, Marisa Ilag1, Mary Bruno1, Hersh Chandrana1, Inge Brinkmann2, and Jan Fritz1
1Department of Radiology, NYU Langone Medical Center, New York, NY, United States, 2Siemens Medical Solutions USA Inc, Malvern, PA, United States

Next-generation low-field magnetic resonance imaging (MRI) systems hold great potential to reduce the cost of ownership and improve access to MRI worldwide. We compared MRI of the lumbar spine at 0.55T MRI with two different gradient performance modes to 1.5T MRI in 10 volunteer participants. Regardless of field strength and gradient performances, all MRI studies had sufficient signal-to-noise-ratios, contrast-to-noise-ratios, image quality, and visibility of anatomical structures with only small differences. Our initial results support the great potential of next-generation low-field MR systems to achieve similar image quality than state-of-the-art clinical 1.5-T MRI systems to detect the lumbar spine abnormalities.

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