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SUMMARY: To evaluate associated cartilaginous damage with acute isolated posterior cruciate ligament (PCL) injury without other concomitant ligamentous injury, arthroscopic evaluations were performed on 61 consecutive patients. Meniscal tear was found in 17 cases (28%). Of these, 3 had medial meniscal tear, 11 had lateral meniscal tear, and 3 had both medial and lateral meniscal tears. Longitudinal tears of anterior segment in lateral menisci were the most common (10 cases). Thirty-two patients (52%) had articular cartilage injury. Of these, 7 had damage greater than one half of the thickness of the articular cartilage, and 3 had erosion that extended to the subchondral bone. The most frequently injured location was the medial femoral condyle (19 cases, 31%). Significant cartilaginous injury could be combined in acute isolated PCL injury. Therefore, it is unreasonable to manage every acute isolated PCL-injured knee using a single treatment modality. Concomitant meniscal and articular cartilaginous lesions should be evaluated when treatment for acute PCL injury is planned.
Hamada et al. (Sat,) studied this question.