• Injury · Dec 2023

    Could medial femoral notching be a marker in posterolateral corner injuries?

    • Ersin Şensöz.
    • Dr. Lutfi Kirdar Kartal City Hospital Orthopedics and Traumatology Clinic, Turkey. Electronic address: ersinsensozes@gmail.com.
    • Injury. 2023 Dec 1; 54 (12): 111133111133.

    IntroductionPosterolateral corner (PLC) injuries constitute 16 % of all knee ligament injuries and are often seen with other ligamentous injuries. PLC injuries can be overlooked. If left untreated, other ligamentous reconstructions are at risk, residual laxity may occur, and early osteoarthritis may result.Materials And MethodsPatients diagnosed with PLC injury and who underwent surgical treatment between November 2018 and November 2022 were retrospectively analyzed. Two groups were formed 44 PLC patients with a concomitant ligament injury and 50 patients with an isolated ACL injury (control group). Preoperative MRI findings and arthroscopic surgery findings of the patients were evaluated. Medial femoral condyle notching sign (MFNS) and lateral femoral condyle notching sign (LFNS) data were obtained from preoperative MRI sections. If the lesion depth was less than 1.5 mm, it was not considered a notching sign.ResultsIn group 1, there were 44 patients with PLC injuries accompanied by other ligamentous injuries. In group 2, there were 50 patients with isolated ACL injuries not accompanied by other ligamentous injuries. Medial femoral notching sign (MFNS) was higher in Group 1 (p < 0.00001). The lateral femoral notching sign (LFNS) was higher in Group 2 (p:0.023).ConclusionPLC injuries are difficult to diagnose. MFNS is a finding that may facilitate diagnosis in PLC injuries.Copyright © 2023 Elsevier Ltd. All rights reserved.

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