Abstract #4231

Evaluation of Lumbar Disc Herniation Using Ultrashort Echo Time Magnetization Transfer in Posterior Longitudinal Ligament and Nucleus Pulposus

Jianwei Liao¹, Jin Liu¹, Yajun Ma², Xiaojun Chen¹, Wei Li¹, Lin Yao¹, Long Qian³, Jiang Du², and Shaolin Li¹

¹Department of Radiology, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China, ²Department of Radiology, University of California, San Diego, CA, United States, ³MR Research, GE Healthcare, Guangzhou, China

Magnetization transfer ratio (MTR) has been used for assessment of macromolecules in biological tissues. Ultrashort echo time technique magnetization transfer (UTE-MT) can quantify both of short and long T2 tissues, may have potential to evaluate early disc herniation. The current study aims to assess the feasibility of UTE-MT quantification of posterior longitudinal ligament and nucleus pulposus for evaluation of early disc herniation. It was concluded that the UTE-MT sequence is feasible to quantify posterior longitudinal ligament and nucleus pulposus in lumbar. Posterior longitudinal ligament and nucleus pulposus UTE-MTR may provide a new opportunity for early prediction of lumbar disc herniation.

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