胸椎黄韧带骨化症临床研究

目的 探讨胸椎黄韧带骨化症的诊断特点及改良手术的疗效。方法 总结我院从1995～2005年收治的28例胸椎黄韧带骨化症的患者并对其手术疗效加以分析。结果28例患者全部获得随访，随访时间6～36个月，平均23个月。术后JOA评分为6～11分，平均9．3分，恢复率为73．6％，优良率为84．5％。结论临床表现结合CT及MRI检查是诊断胸椎黄韧带骨化症的有效手段，改良的外科手术方式安全可靠，手术疗效佳。

Study of Clinic and Outcome of Thoracic Myelopathy Caused by Ossification of Ligamenta Flava

Objective To study the diagnosis of thoracic myelopathy caused by ossification of ligamenta flava （OLF） and the effect of the improved surgical procedure. Methods 28 patients with thoracic myelopathy caused by ossification of ligamenta flava from 1995 to 2005 were analyzed retrospectively. Results 25 patients were followed up from 6 to 36 months with an average of 23 months. The postoperative average JOA scale score was 9.3 points（rang 6 to 11 ）,the recovery rate was 73.6% and the excellent and good rate was 84.5%. Conclusion Clinic history and neu rological examination assosciated with MRI and CT are the important means of OI,F,improved surgical technique is effective.