MRI - MRI hindfoot
T1
STIR
Why is this called a stress or fatigue fracture?
For it occurs in an otherwise healthy bone after exposure to unusual physical stress (fatigue fracture).
What would a spontaneous fracture without adequate stress or trauma be called?
An insufficiency or pathologic fracture.
What is the difference between insufficiency and pathologic fractures?
Pathologic fractures occur in focal bone lesions, whereas insufficiency fractures are found in systemic bone abnormalities.
Name two other locations of stress/fatigue fractures in the foot skeleton.
1. Metatarsals (mostly II and III). 2. Cuboid bone.
Hypointense line surronded by T1-hypointense and T2-hyperintense bone marrow haematoma. No fragment dislocation.