distal femur造句怎麼寫

Fractures of the distal femur, proximal tibia, and patella that occur adjacent to a total knee replacement may be very difficult to treat.

Objective To study the effect of retrograde intramedullary nail for the supracondylar and intercondylar fracture of the distal femur.

Methods: 19 cases of malignant bone tumors of the distal femur or the proximal tibia were treated by wide excision and total knee replacement.