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Abstract #4225

The diagnostic value of a new indicator in the chronic anterior cruciate ligament injury based on Ultra-Short Echo imaging

Yanjun Hu1, Cheng Xu1, Yexin He1, Ruizhu Wang1, and Kaiyu Wang2
1Magnetic Resonance Center, Shanxi Provincial People’s Hospital, Taiyuan, China, 2MR Research, GE Healthcare, Beijing, China

At present, whether patients with anterior cruciate ligament (ACL) injury can return to exercise lacks quantitative imaging indicators. In this study, ultra-short echo technique was used to evaluate the change of short T2 components like ligament in patients at chronic stage of ACL injury, finding that the proportion of short T2 componets (POS) in the overall signal can be used to reflect the extent of ACL injury and recovery. This study suggests that there are changes in the short-T2 components in patients with chronic ACL injury, and POS is superior to IKDC in assessing joint stability.

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