@article{oai:kanazawa-u.repo.nii.ac.jp:00013884,
 author = {Watanabe, Koji and Tsuchiya, Hiroyuki and Yamamoto, Norio and Shirai, Toshiharu and Nishida, Hideji and Hayashi, Katsuhiro and Takeuchi, Akihiko and Matsubara, Hidenori and Nomura, Issei},
 issue = {1},
 journal = {Journal of Orthopaedic Science},
 month = {Jan},
 note = {Background: The aim of this study was to investigate the long-term functional capabilities of patients who underwent bone distraction for the treatment of bone defects caused by bone tumor excision. Methods: Bone distraction was indicated for patients with stage IIB malignant bone tumors when chemotherapy was judged to be effective and an epiphysis could be preserved or for patients with low-grade or aggressive benign bone tumors. Twenty-two patients who underwent reconstruction with bone distraction and were followed up for at least 10 years were retrospectively investigated. Patients included 8 males and 14 females, with a mean age of 25.3 years. Tumor types included seven osteosarcomas, two osteofibrous dysplasias, one Ewing's sarcoma, five low-grade osteosarcomas, two adamantinomas, and five giant cell tumors. Chemotherapy was performed during bone distraction in 8 cases. Bone transport was used in 17 cases, while shortening distraction was used in 5 cases. Results: The mean distraction length was 8.1 cm, and the mean external fixation period was 301 days. The average Musculoskeletal Tumor Society score (used to measure functional outcome) was 91.5 % at mean follow-up of 202 months. Fourteen patients were able to play sports without any difficulty. Conclusions: Epiphyseal preservation and reconstruction by bone distraction require both time and effort, but can provide excellent long-term outcomes, resulting in a stable reconstruction that functionally restores the natural limb. © 2012 The Japanese Orthopaedic Association.},
 pages = {101--109},
 title = {Over 10-year follow-up of functional outcome in patients with bone tumors reconstructed using distraction osteogenesis},
 volume = {18},
 year = {2013}
}