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KMID : 1207720150070020248
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Clinics in Orthopedic Surgery
2015 Volume.7 No. 2 p.248 ~ p.253
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Bone Transport for Reconstruction in Benign Bone Tumors
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Oh Chang-Seon
Jung Sung-Taek
Cho Yong-Jin
Ahn Yeong-Seub
Na Bo-Ram
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Abstract
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Background: The aim of this study was to assess the results of using the Ilizarov apparatus to transport bones in the treatment of benign bone tumors.
Methods: Seven patients (six males and one female) with benign bone tumors were treated by bone transport with an Ilizarov apparatus at our institution. Their mean age at surgery was 14.4 years (range, 4.8 to 36.9 years). The histological diagnoses were osteofibrous dysplasia (4), giant-cell tumor (1), intraosseous cavernous hemangioma (1), and aneurysmal bone cyst (1). Three radiological indices were used for evaluating the results: an external fixation index, a distraction index, and a maturation index. The bone and functional results were evaluated according to the Association for the Study and Application of the Method of Ilizarov classification.
Results: Five patients had bone union at the reconstructed site, one patient had a local recurrence, and the other had a nonunion at the docking site. The mean length of distraction was 7.3 cm (range, 5.1 to 12.1 cm). The mean external fixation index was 26.0 day/cm (range, 19.8 to 32.5 day/cm), the distraction index was 9.6 day/cm (range, 6.8 to 12.0 day/cm), and the maturation index was 14.9 day/cm (range, 8.0 to 22.5 day/cm). Ultimately, the bone and the functional results were rated excellent in six cases and good in one case.
Conclusions: Bone transport using the Ilizarov apparatus is a good treatment option in patients with bone defects after the resection of an active or aggressive benign bone tumor.
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KEYWORD
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Bone neoplasms, Ilizarov technique, Bone lengthening
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