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Trauma
intermediate
X-Type

Atypical Femur Fracture

Proximal Femur Trauma

A 68-year-old woman on long-term bisphosphonate therapy (10 years) presents with prodromal thigh pain for 3 months followed by sudden fracture with minimal trauma. Radiographs show a transverse fracture at the subtrochanteric region with lateral cortical beaking and medial spike. The contralateral femur shows cortical thickening. Regarding atypical femur fractures:

Mark each as TRUE or FALSE

A

Atypical femur fractures (AFF) are stress fractures associated with prolonged bisphosphonate use; lo...

B

Risk increases with duration of bisphosphonate use (exponentially after 5 years); other risk factors...

C

Atypical fractures occur more commonly than typical osteoporotic fractures; bisphosphonates cause mo...

D

Management includes stopping bisphosphonates, calcium and vitamin D supplementation, and prophylacti...

E

The absolute risk of AFF remains low (3-50 per 100,000 person-years with long-term use) compared to ...

Answer the questions to see explanations

Click T (True) or F (False) for each option