Chapter

MRI Atlas of Orthopedics and Traumatology of the Knee

pp 215-230

Femorotibial Degeneration (Chondromalacia, Osteochondritis Dissecans, Spontaneous Osteonecrosis)

  • Peter TellerAffiliated withRadiologische Praxis, Kernspintomographie
  • , Hermann KönigAffiliated withRadiologische Gemeinschaftspraxis, Kernspintomographie
  • , Ulrich WeberAffiliated withZentralklinik Emil von Behring der Stiftung Oskar-Helene-Heim, Orthopädische Universitätsklinik und Poliklinik der Freien Universität Berlin
  • , Peter HertelAffiliated withAbteilung für Unfallchirurgie,Martin-Luther Krankenhaus, Akademisches Lehrkrankenhaus der Humboldt-Universität Berlin

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Abstract

Imaging in coronal and sagittal planes is most suitable and may be supplemented by axial sections, especially in assessing osteochondritis. Fat-suppressed sequences are likewise helpful. Intravenous contrast medium administration may help to assess the vitality of detached fragments but is usually not necessary when taking into account the signal characteristics.