Abstract #2980

The morphology and T2* value changes of 21 knee joint cartilage sub-regions before and after marathon assessed by prototype software

Ranxu Zhang¹, Xiaoshuai Chen¹, Jian Zhao¹, Ping Zhang¹, Xiaoyue Zhou², Baohai Yu¹, and Jianping Ding³

¹Department of Radiology, The third Hospital of Hebei Medical University, Hebei Province Biomechanical Key Laboratory of Orthopedics, Shijiazhuang, Hebei 050051, China, Shijiazhuang City, China, ²Siemens Healthineers Ltd., Shanghai, 201318, China., Shanghai, China, ³Department of Radiology, Affiliated Hospital of Hangzhou Normal University,Hangzhou 310015,China, Hangzhou, China

This study is designed to assess the changes of articular cartilage volume, thickness and T2* value before and after marathon in non-professional athletes by semi-automatic cartilage segmentation prototype software.All volunteers underwent MR scan before and after marathon and accepted follow-up observation.We confirmed that MR biochemical imaging combined with morphological changes can be used to assess the internal structure and general changes of cartilage. The anterior part of medial tibial plateau may be a high risk area for cartilage degeneration under the long-distance marathon.

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