| Treatment of Ulnar Shortening Induced by Hereditary Multiple Exostosis in Children |
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Seung-Koo Rhee, Seok-Whan Song, Soon-Yong Kwon, Hwa-Sung Lee, Jin-Sung Cheon, Dong-Won Choi |
| 소아의 다발성 외골종에 의한 완관절 및 전완부 변형의 치료 |
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이승구, 송석환, 권순용, 이화성, 전진성, 최동원 |
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| Abstract |
Purpose
: To prevent deformities and functional impairment of the wrist and forearm by deciding the operation method and age-related timing in children with multiple exostoses of the forearm. Material and Methods : We reviewed total 9 cases, 5 boys (bilateral in 2) and 2 girls. After excision of the mass around the wrist, ulnar lengthening with external fixator were performed in all cases, and corrective wedge osteotomy of distal radius was combined in 5 cases, and we reviewed them 26 months after the operation. Results : All the deformities of the wrists were corrected by ulnar lengthening with average 2.3 cm up to neutral ulnar variance, and the radial deviation of the wrist was increased from preoperative - 14º to postoperative 8º. Ulnar shortening was recurred in one case and we follow him for re-lengthening. Conclusions : It is necessary to correct the deformity early when it is developed at wrist due to ulnar shortening in children with multiple exostosis. Ulnar shortening was corrected by excision of the mass and the combination of ulnar lengthening and radial wedge osteotomy. But ulnar re-shortening is possible due to children’s growing, and it is necessary to consider the timing of operation and the amount of ulnar lengthening, and also the possibility of derangement of distal radio-ulnar joint and triangular fibrocartilage complex (TFCC). |
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