Clinical Study
Surgical Guides (Patient-Specific Instruments) for Pediatric Tibial Bone Sarcoma Resection and Allograft Reconstruction
Table 1
Summary of 4 cases of tibial resection with PSI.
| | Case 1 | Case 2 | Case 3 | Case 4 |
| Patient information | | | | | Age (y) | 18.2 | 12.5 | 11.2 | 9.8 | Sex | M | M | F | M | Sarcoma type | OS (local occurrence) | EWS (primary) | OS (tibial metastasis of a femoral OS) | OS (primary) |
| Resection | | | | | Type | Intercalary | Intercalary | Intercalary | Osteoarticular | Length (cm) | 8.0 | 11.8 | 8.2 | 16.4 | Preservation | Preservation of epiphysis | Preservation of proximal tibial growth plate | Preservation of epiphysis; sacrifice of growth plate | Epiphysiodesis of contralateral proximal tibia |
| Results | | | | | Local complications | None | Transient common fibular nerve palsy | None | Sepsis requiring allograft replacement | Time to host-allograft junction union (mo) | 4 | 9 | 12 | None | Followup (mo) | 17 | 19 | 14 | 10 | Final patient outcome | Excellent; walking without assistance | Excellent; walking without assistance | Excellent; walking without assistance | Poor after initial procedure; good final result; walking with a brace |
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M: male; F: female; OS: osteosarcoma; EWS: Ewing’s sarcoma.
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