用distal femur造句子，“distal femur”造句

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

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

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