Brown N, Knipe H, Hacking C, et al. Tibial tuberosity to trochlear groove distance (TT-TG distance). Reference article, Radiopaedia.org (Accessed on 06 Mar 2025) https://doi.org/10.53347/rID-44662
The tibial tuberosity to trochlear groove (TT-TG) distance is used to guide the treatment of patellofemoral instability. It can be accurately measured on both CT and MRI although MRI measurements are consistently shorter 6.
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