Tibial-based Posterolateral Corner Reconstruction Following Proximal Fibula Resection Restores Knee Stability: A Case Report.

Journal of Orthopaedic Case Reports Pub Date : 2025-01-01 DOI:10.13107/jocr.2025.v15.i01.5154

Vitor Hugo Pinheiro, Pedro Marques, Kyle Borque, Rúben Fonseca, Fernando Fonseca, Andy Williams

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Abstract

Introduction: Fibular- and tibiofibular-based reconstructions are the gold standard treatment for posterolateral corner (PLC) injuries of the knee. This is the first report describing a wholly tibial-based PLC reconstruction.

Case report: A 50-year-old female presented with knee instability following proximal fibular resection for a benign tumor, associated with chronic anterior cruciate ligament (ACL) deficiency from a previous injury. Magnetic resonance imaging (MRI) showed fibular collateral ligament (FCL) and distal biceps femoris complete detachment. ACL reconstruction was combined with revision PLC reconstruction, placing the distal grafts, due to lack of fibula, both into the tibia. At 24-month follow-up, the patient reported excellent clinical outcomes.

Conclusion: In cases related to proximal fibula deficiency from resection or congenital causes, a wholly tibial-based PLC reconstruction can effectively restore stability.

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腓骨近端切除后以胫骨为基础的后外侧角重建可恢复膝关节稳定性：1例报告。

以腓骨和胫腓骨为基础的重建是治疗膝关节后外侧角（PLC）损伤的金标准。这是第一份描述全胫骨PLC重建的报告。病例报告：一名50岁女性，因良性肿瘤行腓骨近端切除术后出现膝关节不稳，并伴有先前损伤引起的慢性前交叉韧带（ACL）缺失。磁共振成像（MRI）显示腓骨副韧带（FCL）和股二头肌远端完全脱离。ACL重建联合翻修PLC重建，由于缺乏腓骨，将远端移植物放置在胫骨内。在24个月的随访中，患者报告了良好的临床结果。结论：对于切除或先天性腓骨近端缺损的病例，全胫骨PLC重建可有效恢复腓骨近端稳定性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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