Rapid Chondrolysis After Lateral Meniscal Repair and Anterior Cruciate Ligament Reconstruction Combined With Segond Fracture Fragment Fixation: A Case Report.

We present a case of rapid chondrolysis after the repair of a lateral meniscus (LM) radial tear. An 18-year-old male competitive skier sustained an anterior cruciate ligament (ACL) injury associated with a Segond fracture and LM radial tear in the posterior segment. The patient underwent a two-stage surgery, LM repair and internal fixation of the fracture fragment, followed by ACL reconstruction. Although the postoperative course was uneventful, the patient experienced persistent joint effusion after starting ski practice six months postoperatively. An arthroscopic examination was performed one year after ACL reconstruction, and severe cartilage damage was observed in the lateral femoral condyle and tibial plateau, whereas complete healing of the repaired LM was observed. Despite complete arthroscopic healing of the meniscus, meniscal function may not be fully restored by isolated meniscal repair of radial tears associated with ACL injury. The development of new surgical methods may be necessary to improve functional restoration.