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Osteochondral grafting for treatment of a massive chondral defect in the knee of a young adult with anterior cruciate ligament deficit.

Okamoto Y, Nakagawa Y, Maekawa M, Kobayashi M, Nakamura T

Department of Orthopaedic Surgery, Faculty of Medicine, Kyoto University, Kyoto, Japan.

We report the case of a 28-year-old woman who underwent osteochondral grafting and anterior cruciate ligament (ACL) reconstruction for treatment of a massive cartilage defect in a knee joint with ACL deficit. Arthroscopy showed a full-thickness degenerative cartilage defect measuring 22 x 35 mm in the weight-bearing area of the medial femoral condyle, a totally resected lateral meniscus, and a loosened ACL. Therefore we performed osteochondral autograft transplantation and ACL reconstruction. Osteochondral plugs were harvested from a donor site in the patellofemoral joint of the contralateral knee and grafted into the recipient site in a "skipping" manner. Arthroscopic examination 1 year after surgery showed good preservation of the grafts and satisfactory bridging of the gaps between the plugs with fibrocartilage-like tissue. A recent follow-up examination, performed 36 months after surgery, has shown an excellent result, with a Lysholm score of 100, an International Knee Documentation Committee score of 95.4, and full range of knee motion with no symptoms. Plain radiographs at that time showed preservation of the medial joint space on the weighted anteroposterior view. No osteoarthritic changes were evident in the patellofemoral joint.

Published 17 September 2007 in Arthroscopy, 23(9): 1024.e1-4.
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