Femorotibial Degeneration (Chondromalacia, Osteochondritis Dissecans, Spontaneous Osteonecrosis)

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.