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- S Hofmann, J Kramer, M Breitenseher, M Pietsch, and N Aigner.
- Department III, Endoprothetik, Allgemeines und Orthopädisches LKH Stolzalpe, 8852 , Stolzalpe, Osterreich. hofmann.siegfried@aon.at
- Orthopade. 2006 Apr 1;35(4):463-75; quiz 476-7.
AbstractThe Bone marrow edema (BME) is a common finding when evaluating patients with knee pain by magnetic resonance imaging (MRI). The typical signal patterns of BME are unspecific and can be found with different diseases of the knee. Since different therapeutic approaches are mandatory, differential diagnosis of the several forms of BME is important. In this review, painful BME will be separated into three different etiological groups. Group 1 ischemic BME: osteonecrosis, osteochondritis dissecans, bone marrow edema syndrome and complex regional pain syndrome. Group 2 mechanical BME: bone bruises, microfracture, stress-BME und stress fracture. Group 3 reactive BME: inflammatory gonarthritis, degenerative gonarthrosis, postoperative and tumours. The typical MRI morphologies and differential diagnosis of these BME manifestations will be described. The different therapeutic consequences will also be briefly mentioned.
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