expandable-prostheses-pediatric
A 9-year-old boy is diagnosed with osteosarcoma of the distal femur. Staging reveals no metastatic disease. MRI shows the tumor is 8cm from the knee joint with 3cm of normal bone between the tumor and the physis. The predicted leg length discrepancy at skeletal maturity if the physis is sacrificed is 7cm. The family wishes to pursue limb salvage if possible. Regarding expandable prostheses in pediatric limb salvage surgery:
Mark each as TRUE or FALSE
Expandable prostheses allow limb salvage in skeletally immature patients with primary bone tumors wh...
Non-invasive expandable prostheses use electromagnetic mechanisms (such as Repiphysis, Stanmore JTS)...
Expandable prostheses have equivalent complication rates to adult megaprostheses; infection rates ar...
Indications for expandable prostheses include predicted limb length discrepancy greater than 3-4cm a...
Alternative options to expandable prostheses in growing children include rotationplasty (Van Nes), o...
Answer the questions to see explanations
Click T (True) or F (False) for each option