Abstract #2781

A preliminary analysis for vertebral marrow fat and disc herniation or annular tear by simultaneous multi-relaxation-time Imaging (TXI) method

Limei Han^1,2, Jie Yang¹, Zhiqiang Ming¹, Hao Feng¹, Yantao Huang¹, Hengping Wu¹, Chao Yuan¹, Huan Guo¹, Meining Chen³, and Jianquan Zhong¹

¹Department of Radiology, Zigong First People's Hospital, Zigong, China, ²North Sichuan Medical College, Nanchong, China, ³MR Scientific Marketing, SIEMENS Healthineers Ltd., Shanghai, China

Synopsis

Keywords: Screening, Degenerative, lumbar disc herniation, annular tear, bone marrow fatRecently T1 mapping, T2* mapping and bone marrow fat fraction (BMFF) has been separately applied to spine. But it hasn't studied the value of those mappings together with intervertebral discs (IVD) degeneration. In this study, we obtained three values (T1, T2* and BMFF value) by simultaneous multi-relaxation-time imaging technique, called TXI. We found that T1 values in abnormal (herniation or annular tear) disc were significantly lower than those in the normal. This study demonstrates that T1 mapping can be helpful in detecting IVD with herniation or annular tear.

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