Abstract #4479

UTE-T2* detects matrix changes in Achilles tendon after tendon allograft reconstruction for old Achilles tendon rupture and the correlation with clinical score: a preliminary study

Hongyue Tao¹, Yong Zhang², Yang Qiao¹, Ziying Wu³, Kui Ma³, Yinghui Hua³, and Shuang Chen¹

¹Radiology, Huashan Hospital, Fudan University, Shanghai, China, People's Republic of, ²GE Healthcare, MR Research China, Shanghai, China, People's Republic of, ³Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China, People's Republic of

This preliminary study used UTE-T2*, a novel quantitative technique with potential short-T2* relaxations that are not well captured by standard T2 mapping, to investigate T2* value in Achilles tendon (AT) after tendon allograft reconstruction (AT-R) and analyze the correlation between T2* value and AOFAS score. Six patients with AT-R and 6 sex, age, and BMI matched healthy controls were recruited for comparison. The results showed T2* values of middle (MID) and muscle-tendon junction (MTJ) regions in AT-R patients were statistically lower compared with the matched regions of controls and T2* value of MID region was negatively correlated with AOFAS score, which suggest T2* may be a promising marker for the detection of matrix changes in AT after AT-R.

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