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Abstract #2887

Assessment of Lumbar Nerve Root Changes in Disc Herniation Using Ultrashort Echo Time Magnetization Transfer (UTE-MT) Imaging

Jin Liu1, Jia-Xin Feng1, Jian-Wei Liao1, Wei Li1, Xiao-Jun Chen1, Lin Yao1, Pan-Hui Huang1, Long Qian2, Ya-Jun Ma3, and Shao-Lin Li1
1Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China, 2MR Research, GE Healthcare, Beijing, China, 3Department of Radiology, University of California San Diego, San Diego, CA, United States


Ultrashort echo time magnetization transfer (UTE-MT) imaging can quantify macromolecular content changes in tissues. This study aims to investigate the feasibility of UTE-MT ratio (UTE-MTR) in assessment of lumbar nerve root changes due to disc herniation. T2 mapping and diffusion tensor imaging (DTI) were also employed for comparison. Our results demonstrated that the UTE-MTR is able to detect nerve root changes due to disc herniation and it has a better performance than T2 mapping and DTI imaging in differentiation of disc herniation and non-disc herniation.

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