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Custom-made lateral femoral condyle replacement for traumatic bone loss: a case report
1The London Sarcoma Service, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex HA7 4LP, UK. barryrose@doctors.org.uk
The Knee
|December 22, 2009
Summary
A novel custom lateral femoral condyle hemiarthroplasty offers excellent pain-free function for complex fractures unsuitable for standard fixation. This bone-preserving technique shows promising medium-term results in active patients.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Lateral femoral condyle fractures with extensive joint line depression pose significant reconstructive challenges.
- Conventional fixation techniques are often unsuitable for these complex injuries, limiting treatment options.
Observation:
- A 24-year-old patient with a complex lateral femoral condyle fracture underwent reconstruction with a custom-made lateral femoral condyle hemiarthroplasty.
- The patient's fracture was not amenable to standard fixation methods due to extensive joint line depression.
Findings:
- Medium-term follow-up (48 months) demonstrated excellent, pain-free function (Oxford Knee Score 46/48, KSS 87/100, FSS 100/100).
- Radiographs showed no prosthesis loosening, migration, or tibial plateau erosion.
- The hemiarthroplasty preserved remaining joint surfaces and maximized bone stock for potential future revisions.
Implications:
- Custom lateral femoral condyle hemiarthroplasty presents a viable alternative to traditional reconstructive options like allografts, arthrodesis, or arthroplasty.
- This bone-preserving approach may facilitate earlier functional restoration and simplify future revision surgeries.
- Further investigation is warranted, although patient rarity may impede widespread adoption and large-scale studies.