Abstract
Introduction: Management of giant aneurysmal bone cyst in skeletally immature patients is challenging. The huge size can be destructive and can lead to significant deformity, disability, and limb-length discrepancy. Hence, reconstruction is warranted as a treatment option. Materials and Methods: Here, we present a case of giant aneurysmal bone cyst in the distal femur of a 9 year old obese child. After complete resection, we reconstructed the large distal femur defect by a 15 cm long-tibia autograft of the same limb. Fixation was done using hybrid (monoplanar and circular) external fixation. Detailed surgical techniques and several clinical and technical challenges have been discussed. Results: After 13 years of follow-up, the distal femur is well formed with preservation of the articular surface, and the site of the tibia autograft is completely regenerated. Conclusion: The tibia can be used as an autograft for the reconstruction of large-sized defects in skeletally immature patients.
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