expandable prosthesis
A specialized orthopedic implant capable of lengthening to accommodate skeletal growth in pediatric patients after tumor resection.
Full Definition
Expandable prostheses are sophisticated orthopedic devices designed for growing children who require major bone resections for tumor treatment. These implants can be lengthened through various mechanisms including magnetic, mechanical, or spring-loaded systems to match the growth of the contralateral limb. The lengthening procedures can often be performed non-invasively, avoiding repeated major surgeries. Modern expandable prostheses incorporate growing implant technology that allows gradual expansion to maintain limb length equality and preserve joint function throughout the patient's skeletal development.
Usage
Usage note: Specify the expansion mechanism type (magnetic, mechanical) when documenting.
In Context
- "An expandable prosthesis was implanted to accommodate future growth in this 8-year-old patient." — Operative report
- "The expandable prosthesis required lengthening every 6 months during the growth phase." — Follow-up note