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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