Research Article

Epiphyseal Sparing and Reconstruction by Frozen Bone Autograft after Malignant Bone Tumor Resection in Children

Table 2

Summary of different limb reconstruction methods used in children.

Item of classificationOur StudyReconstruction by expandable prosthesis [20]Resurfaced allograft- prosthetic composite [21]Epiphyseal preservation and allograft reconstruction [10]Extracorporeal irradiation [1]Stanmore noninvasive extendible endoprosthesis [3]

Number of patients1838193510155

Mean follow-up (months)72.8113 7810852.8 (median)41.2

Recurrence5.5%0%9%4.9%0%

Infection11.1%47%Deep 5%
Superficial 0%
5.7%5.9%10.9%

Fracture11.1%15.7%32%31.4%5.4%

Amputation5.5%8.5%5.2%3.9%1.8%

Other complicationsNonunion
11.1%
Aseptic loosening
28%
Dislocation
16.6%
Nonunion
10.5%
Failure of extensor mechanism 14.5%
Nonunion
8.5%
Distant recurrence 19.8%Persistent foot drop 3.6%
Gearbox failure 5.4%

Overall survival 94.4%55%84%86%(80.8%~85.7%)81.8%

Mean LLD22 mm37 mm19 mm

Overall complication rate33.3%58%54%35.4%29.1%

Functional outcome Excellent in 94.4%
Poor in 5.5%
Excellent and good in 71%
Poor in 29%
In 13 patients, excellent and good in 62% and fair in 38%Will be reported laterMean MSTS score 24.7