Osteochondrosis Dissecans

Girdle Wearers

Fig. 8.69a The standard radiograph of the knee joint displays an extensive contour defect of the lateral femoral condyle. b The dislodged osteochondral fragment—the "mouse''—has moved into the suprapatellar joint recess just above the patella (arrow). c The MR image shows the osteochondral composition of the fragment (arrow) to its best advantage.

Fig. 8.69a The standard radiograph of the knee joint displays an extensive contour defect of the lateral femoral condyle. b The dislodged osteochondral fragment—the "mouse''—has moved into the suprapatellar joint recess just above the patella (arrow). c The MR image shows the osteochondral composition of the fragment (arrow) to its best advantage.

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