• Tuğrul Ergün, Ahmet Peker, Muhsin N Aybay, Kaya Turan, Osman G Muratoğlu, and Haluk Çabuk.
• Department of Orthopedics and Traumatology, Istinye University Bahçeşehir Liv Hospital, Istanbul, Turkey. drergun14@gmail.com.
• Arch Orthop Trauma Surg. 2023 Mar 1; 143 (3): 153115361531-1536.

IntroductionWe aim to asses the diagnostic performance of ankle ultrasonography in patients presenting with acute ankle sprain injury, with comparison to MRI (Manyetik Rezonans İmaging).Materials And MethodsThe study included patients who applied to the hospital within 48 h after an ankle sprain, and who presented with signs of pain, swelling, and tenderness in the ankle. Ankle ultrasonography examination was performed and an ankle MRI took place the same day.Results30 patients were included in the study. 53.3% (n = 16) were female. The mean age was 30 ± 6.4 years. The ultrasonography examination determined 76.6% (n = 23) of the patients to have anterior talofibular ligament (ATFL) injury, 33.3% to have (n = 10) CFL injury, and 33.3% to have (n = 10) anterior inferior tibia-fibular ligament (AITFL) injury. The MRI of the patients determined 73.3% (n = 22) of the patients to have ATFL injury, 43.3% (n = 13) to have calcaneal fibular ligament (CFL) injury, and 33.3% to have (n = 10) AITFL injury. The ATFL, CFL, and AITFL injuries diagnosed on ultrasonography correlated with the MRI results (ICC = 0.875, ICC = 0.879, and ICC = 0.858). However, among the ATFL injuries observed on MRI, 26.6% (n = 8) were grade I, 26.6% (n = 8) were grade II, and 20% (n = 6) were grade III injuries. Of the ATFL injuries observed on ultrasonography, 46.6% (n = 14) were grade I, 8.6% (n = 2) were grade II, and 30.4% (n = 7) were grade III injuries.ConclusionsFindings on all types of ATFL, CFL and AITFL appear to have a higher degree of correlation. Ultrasonography could have an added role as a triaging tool, to fast-track MRI.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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