• Hui Sun, Yi Zhu, Qi-Fang He, Lin-Yuan Shu, Wei Zhang, and Yi-Min Chai.
• Department of Orthopaedic Surgery, Shanghai Jiao Tong University, Affiliated Sixth People's Hospital, 600 YiShan Road, Shanghai, 200233, China. Electronic address: sunshine20002000@126.com.
• Injury. 2017 Dec 1; 48 (12): 2814-2826.

BackgroundA posterolateral column fracture of the tibial plateau (PLCF) is not uncommon, especially lateral and bicondylar tibial plateau fractures. Currently, there is no consensus on the methods of surgical treatment for PLCF, including the surgical approach or the fixation strategy. Though various posterior approaches have been explored and can allow posterior buttress plate fixation, the necessity of a posterior approach with fixation for PLCFs is increasingly questioned. Meanwhile, there is no literature to analyse the morphological features of PLCFs. None of the available surgical techniques can solve all of the problems of PLCFs.MethodsFrom February 2016 to June 2016, an inconsecutive series of 16 patients who suffered Schatzker type II tibial plateau fractures involving the posterolateral column were selected based on an analysis of the morphological characteristics of PLCFs. The patients were all treated by lateral rafting plate fixation with magic screw implantation through the extended lateral approach.ResultsAccording to PLCF morphology, 4 patients had mild slope-type depression fractures (MSDF) of the articular surface, and the other 12 patients had block-type splitting fractures (BSF). After a 12-month follow-up period, there were no complications related to the fixation technique and no significant changes in limb alignment. At the final follow-up, the average range of motion (ROM) of the affected knees was 2.3°-125°, and the average HSS score was 94.2.ConclusionsThe selected patients who suffered Schatzker type II fractures involving the posterolateral column could be successfully treated via lateral rafting plate fixation with the magic screw technique. For PLCF treatment, magic screw fixation is a valuable technique that may reduce the utilization of posterior approaches and posterior fixations.Copyright © 2017 Elsevier Ltd. All rights reserved.

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