Takatomo Mine, M. D. , Koichiro Ihara, M. D. , Hiroyuki Kawamura, M. D

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Presentation transcript:

Unusual Appearance of an Osteochondral Lesion Accompanying Medial Meniscus Injury Takatomo Mine, M.D., Koichiro Ihara, M.D., Hiroyuki Kawamura, M.D., Ryo Date, M.D., Kazuki Chagawa, M.D. Arthroscopy Techniques Volume 3, Issue 1, Pages e111-e114 (February 2014) DOI: 10.1016/j.eats.2013.09.003 Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

Fig 1 An anteroposterior radiograph showed a bone defect in the femoral medial condyle (arrow). Arthroscopy Techniques 2014 3, e111-e114DOI: (10.1016/j.eats.2013.09.003) Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

Fig 2 Preoperative MRI (right knee, T2-weighted gradient-echo image, coronal view) showed a partial discoid medial meniscus tear, an osteochondral lesion (measuring 10 mm × 28 mm) in the femoral medial condyle, and a chondral lesion in the tibial medial plateau. Arthroscopy Techniques 2014 3, e111-e114DOI: (10.1016/j.eats.2013.09.003) Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

Fig 3 Arthroscopic views from anterolateral portal. (A) Tear at middle and posterior thirds of incomplete discoid medial meniscus. (B) Osteochondral defect in femoral medial condyle and chondral defect in tibial medial plateau. Arthroscopy Techniques 2014 3, e111-e114DOI: (10.1016/j.eats.2013.09.003) Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

Fig 4 A postoperative anteroposterior radiograph showed disappearance of the bone defect and flattening in the femoral medial condyle (arrow). Arthroscopy Techniques 2014 3, e111-e114DOI: (10.1016/j.eats.2013.09.003) Copyright © 2014 Arthroscopy Association of North America Terms and Conditions

Fig 5 Postoperative MRI (right knee, T2-weighted spin-echo image, coronal view) showed that the osteochondral lesion had been filled, but the restored medial meniscus displayed increased degenerative changes and abrasion. Arthroscopy Techniques 2014 3, e111-e114DOI: (10.1016/j.eats.2013.09.003) Copyright © 2014 Arthroscopy Association of North America Terms and Conditions