This study investigated the feasibility of quantitative assessment of anterior talofibular ligament (ATFL) quality in chronic ankle instability (CAI) using T2* relaxation time. A prediction equation for the normal ATFL reference value was calculated in healthy volunteers. The ratio between the normal reference value and the patient's T2* value showed a significant positive correlation with the talar tilt angle on stress radiograph. There was also increasing trend in T2* values for poor ligament quality in the arthroscopic findings. T2* relaxation times are promising for quantitatively assessing ATFL quality preoperatively.
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Akatsuka et al. (2024) studied this question.
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