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KMID : 1146020110040010023
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Journal of Critical Spine Cases
2011 Volume.4 No. 1 p.23 ~ p.27
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Pseudarthrosis in Diffuse Idiopathic Skeletal Hyperostosis
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Eun Sang-Soo
Cheh Gene
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Abstract
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A 69-year-old man underwent percutaneous vertebroplasty for L3 burst fracture. Simple radiograph showed diffuse idiopathic skeletal hyperostosis resulting in fused vertebral column. Two months later, he had to undergo L3 corpectomy and posterior instrumentation from L2 to L4. Two years later, we performed revision L2 corpectomy and extension of the posterior fusion segment. However, we observed settling of the cage, and 11 days later, we replaced the cage with a larger one. Treatment of vertebral fracture in diffuse idiopathic skeletal hyperostosis patients with long fused vertebral column should be considered differently. Vertebroplasty is contraindicated in the region where high stress is expected. Longer and stronger posterior instrumentation are required. Proper treatment of infection along with an effort to achieve stable fixation will yield good results in such patients.
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KEYWORD
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Corpectomy, DISH, Infection, Pseudarthorosis, Revision surgery
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