Short Versus Long Intramedullary Nails in the Treatment of Proximal Femur Metastasis.

Exclusion Criteria

• •The patient has a more appropriate treatment alternative to single intramedullary nail fixation as determined by the multidisciplinary decision, such as,
• •* The metastatic lesions involved the femur head
• •* The metastatic lesions involved the pelvis
• •* The metastatic lesions compromised the greater or lesser trochanter to a certain extent that arthroplasty was indicated
• •* The metastatic lesions involved/occurred more distal than the intertrochanteric line
• •There are justified, clinically significant rationales that either long or short intramedullary nails be a more appropriate treatment during pre-operative assessment
• •The patient has imaging-confirmed distant femoral metastases before treatment
• •Patient has renal cell carcinoma or sarcoma
• •Patient is unable to cooperate with follow-up or to understand the trial protocol
• •Patient is unable to communicate in Chinese