Abstract
Objective
(1) To determine the accuracy of computed tomography (CT) in the evaluation of ligament tear and avulsion in patients with tibial plateau fracture. (2) To evaluate whether the presence or severity of fracture gap and articular depression can predict meniscal injury.
Design and patients
A fellowship-trained musculoskeletal radiologist retrospectively reviewed knee CT and MRI examinations of 41 consecutive patients presenting to a level 1 trauma center with tibial plateau fractures. Fracture gap, articular depression, ligament tear and footprint avulsions were assessed on CT examinations. The MRI studies were examined for osseous and soft tissue injuries, including meniscal tear, meniscal displacement, ligament tear, and ligament avulsion.
Results
CT demonstrated torn ligaments with 80% sensitivity and 98% specificity. Only 2% of ligaments deemed intact on careful CT evaluation had partial or complete tears on MRI. Although the degree of fracture gap and articular depression was significantly greater in patients with meniscal injury compared with those without meniscal injury, ROC analysis demonstrated no clear threshold for gap or depression that yielded a combination of high sensitivity and specificity.
Conclusions
In the acute setting, CT offers high sensitivity and specificity for depicting osseous avulsions, as well as high negative predictive value for excluding ligament injury. However, MRI remains necessary for the preoperative detection of meniscal injury.
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References
Schatzker J, McBroom R, Bruce D. The tibial plateau fracture. The Toronto experience 1968–1975. Clin Orthop Relat Res 1979;99:94–104.
Hung SS, Chao EK, Chan YS, et al. Arthroscopically assisted osteosynthess for tibial plateau fractures. J Trauma 2003;54:356–63.
Gardner MJ, Yacoubian S, Geller D, et al. The incidence of soft tissue injury in operative tibial plateau fractures. A magnetic resonance imaging analysis of 103 patients. J Orthop Trauma 2005;19:79–84.
Yacoubian SV, Nevins RT, Sallis JG, Potter HG, Lorich DG. Impact of MRI on treatment plan and fracture classification of tibial plateau fractures. J Orthop Trauma 2002;16:632–7.
Delamarter RB, Hohl M, Hopp E Jr. Ligament injuries associated with tibial plateau fractures. Clin Orthop Relat Res 1990;226–33.
Moore TM, Meyers MH, Harvey JP Jr. Collateral ligament laxity of the knee. Long-term comparison between plateau fractures and normal. J Bone Joint Surg Am 1976;58:594–8.
Gardner MJ, Yacoubian S, Geller D, Pode M, Mintz D, Helfet DL, Lorich DG. Prediction of soft-tissue injuries in Schatzker II tibial plateau fractures based on measurements of plain radiographs. J Trauma 2006;60:319–23.
Burri C, Bartzke G, Coldewey J, Muggler E. Fractures of the tibial plateau. Clin Orthop Relat Res 1979;84–93.
Honkonen SE. Indications for surgical treatment of tibial condyle fractures. Clin Orthop Relat Res 1994;302:199–205.
Kode L, Lieberman JM, Motta AO, Wilber JH, Vasen A, Yagan R. Evaluation of tibial plateau fractures: efficacy of MR imaging compared with CT. Radiology 1994;163:141–7.
Holt, MD, Williams LA, Dent CM. MRI in the management of tibial plateau fractures. Injury 1995;26:595–9.
Brophy DP, O’Malley M, Lui D, Denison B, Eustace S. MR imaging of tibial plateau fractures. Clinical Radiology 1996;51:873–8.
Shepherd L, Abdollahi K, Lee J, and Vangsness CT Jr. The prevalence of soft tissue injuries in nonoperative tibial plateau fractures as determined by magnetic resonance imaging. J Orthop Trauma 2002;16:628–31.
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W. Mui, L., Engelsohn, E. & Umans, H. Comparison of CT and MRI in patients with tibial plateau fracture: can CT findings predict ligament tear or meniscal injury?. Skeletal Radiol 36, 145–151 (2007). https://doi.org/10.1007/s00256-006-0216-z
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DOI: https://doi.org/10.1007/s00256-006-0216-z