Osteomyelitis grade | Morphological changes |
---|---|
0 | No radiologic abnormalities |
1 | Mild periosteal reaction |
Mild cortical thickening | |
2 | Evident periosteal reaction |
Evident cortical thickening | |
Mild osteolysis | |
3 | Extensive cortical thickening |
Focal loss of cortical wall | |
Evident osteolysis | |
4 | Extensive cortical thickening |
Loss of cortical morphology | |
Loss of spongeous morphology | |
 | Extensive osteolysis |