Signal changes in subarticular bone and bone marrow18,19.
| T1 | T2 | Post-gadolinium Enhancement | Other | Interpretation |
|---|---|---|---|---|
| Low | High | Homogeneous | Ill defined margins | Edema-like |
| Low | High | Heterogeneous | Well defined margins | Necrosis-like |
| Low | Low | No | Sclerosis | |
| Low | Low | Maybe | Generally surrounded by edema-like | Sclerosis-like |
| Linear low signal line | Surrounding high | Subchondral bone deformity | Subchondral fracture | |
| Low | Very high | Rim enhancement | Well defined, rounded | Cyst |