femur stress fracture

Atypical Femur Fractures

Atypical Femur FracturesAtypical femur fracture xray

 

Site

 

Subtrochanteric

Lateral femoral shaft

 

Aetiology

 

Stress fractures

 

Associated with long term bisphonate use

 

Bisphosphonates

 

Black et al. NEJM 2020

- reduction of hip fracture risk v risk of atypical femur fracture

- 10 year period