Reliability and Reproducibility of the EOS 3D Imaging System in Measuring TT-TG Distance in Patients With Recurrent Patellar Dislocation

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Cohort study reports reliable TT-TG distance measurements in patients with recurrent patellar dislocation, suggesting EOS 3D may replace CT.

EOS 3D imaging shows reliable TT-TG distance measurements, indicating its potential as an alternative to CT.
The study saw no significant differences in key measurements like femoral and tibial distances using EOS and CT.
Intrarater consistency was confirmed with ICCs greater than 0.7, showcasing robust reproducibility of EOS measurements.
Bland-Altman analysis indicated strong agreement between EOS and CT, with 91% of data points falling within a 1.96 SD range.

Zhang et al. (2025) studied this question.

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Cohort study reports reliable TT-TG distance measurements in patients with recurrent patellar dislocation, suggesting EOS 3D may replace CT.