Late-diagnosed large osteochondral fracture of the lateral femoral condyle in an adolescent: a case report

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In this case report, we describe a large osteochondral fracture of the anterolateral femoral condyle in an adolescent athlete while dancing. At 3 months after the misdiagnosed injury, the condylar defect was covered by a layer of disorganized fibrous tissue rich in blood vessels. To achieve good repair, an accurate curettage of the fractured surfaces, a precise reduction, and a stable internal fixation of the fragments were performed. Two poly-L-lactic acid bioabsorbable screws were used to obtain appropriate compression. At the 2-year follow-up, the patient was asymptomatic and had resumed her previous dancing activity. An MRI scan showed no interruptions of the cartilage layer at the boundary with the healthy tissue, but cartilage thinning and extensive subchondral remodeling were detected. Level of evidence: IV.

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