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
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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