Table 3.
Stress fracture | Magnetic resonance imaging features |
---|---|
Grade 1 | Subtle periosteal soft tissue oedema on fluid-sensitive sequence |
Grade 2 | Mild subcortical bone marrow oedema and periosteal soft tissue oedema on fluid-sensitive sequences |
Grade 3 | Extensive bone marrow oedema and periosteal soft tissue oedema on both T1-weighted and fluid-sensitive sequences |
Grade 4 | Discrete hypointense fracture line on all sequences |