Abstract #4628

Periodic assessment of four horns of knee meniscus using MR T2mapping images in volunteers before and after amateur marathons

Li Jujia¹, Jian Zhao¹, Xuesong Zhang¹, Ping Zhang¹, Congcong Ren¹, Yan Zeng¹, Ranxu Zhang¹, Ming Wang¹, and Xiaoyue Zhou²

¹The Third Hospital of Hebei Medical University, Shijiazhuang, China, ²Siemens Healthineers, Ltd., Shanghai, 201318, China., Shanghai, China

Synopsis

T2 mapping can evaluate the dynamic changes of the meniscal microstructure. The study was designed to evaluate the T2 values of the menisci of amateur marathon volunteers at three different timings. Compared with the T2 values of menisci one week before running, the values 12 h after running increased significantly (P <0.05), and the values 2 months after running did not change significantly (P > 0.05). The result suggests that marathons do not necessarily cause irreversible knee damage.

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