目的：记录此外科技术和计算机辅助下行脊柱截骨术的有效性。
Objective: to document the surgical technique and usefulness of computer-assisted surgery for spinal osteotomy.
结果：对4例患者行计算机辅助导航系统制导下的3d脊柱截骨术均获得成功。
Results: 3d spinal osteotomy under the guidance of a computer-assisted navigation system was performed successfully in 4 patients.
结论：经椎弓根楔形截骨术治疗强直性脊柱炎所致驼背畸形是一种疗效可靠满意的手术方法。
Conclusions: Transpedicle cuneiform osteotomy for correction of kyphosis due to ankylosing spondylitis is a satisfactory and reliable technique.
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