胸腰椎脊髓外硬脊膜内肿瘤手术中脊柱稳定性重建探讨

目的探讨胸腰椎脊髓外硬脊膜内肿瘤手术中脊柱稳定性重建的重要性。方法选取2005年6月至2008年3月间收治的80例胸腰椎脊髓外硬脊膜内肿瘤患者,在手术治疗的同时采用椎弓根钉-棒内固定-植骨融合术进行脊柱稳定性重建,术后随访5个月至5年,对患者的脊柱稳定性进行观察。结果术后通过X射线检查确定,12例未作内固定患者中,4例患者发生轻度脊柱失稳,68例进行内固定患者均未出现脊柱失稳征象,所有患者的植骨均融合良好,融合时间2~6个月,平均为（3.5±1.6）个月。随访期间80例患者未出现肿瘤复发或内固定松动、断裂。结论胸腰椎脊髓外硬脊膜内肿瘤患者的脊柱稳定性对手术治疗效果有重要影响。

Spinal stability reconstruction in thoracolumbar extramedullary intradural tumor surgery

Objective To investigate spinal stability reconstruction in thoracolumbar extramedul- lary intradural tumor surgery. Methods 80 patients with thoracolumbar extramedullary intradural tumor in our hospital from June 2005 to March 2008 were selected spinal stability reconstruction using pedicle screw- rod fixation- bone grafting in the surgical treatment. The patient＇s spine stability were observed followed up for 5 months -5 years . Results Postoperative determined by X-ray examination, 12 cases have not been fixed within patients, 4 patients with mild spine instability, 68 cases of internal fixation have no spine insta- bility signs, all patients with bone graft fusion, fusion time from February to June, with an average of （3.5 ± 1.6） months . During follow-up, 80 patients have not tumor recurrence or within loosening, frac- ture. Conclusion The extramedullary intradural thoracolumbar spine cancer patients have an important im- pact on the stability of the surgical treatment effect.