Abstract
Twenty-two patients (mean age: 67 years) operated for medial meniscal tears were examined with MRI for bone marrow lesion (BML). MRI was performed preoperatively and follow-up averaged 18 months postoperatively. Ten patients (45%) had BML on preoperative MRI and 11 patients (50%) developed BML postoperatively or increased BML after operation.This study suggests that changes in BML after meniscectomy may be associated with osteonecrosis or osteoarthritis.
