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目的：探讨非离子型造影剂椎管造影的优点及应用注意事项。方法：对４０例非离子型造影剂脊髓造影结果汇总分析，造影剂为Ｏｍｎｉｐａｑｕｅ或Ｉｓｏｖｉｓｔ，用量６～２０ｍｌ。结果：检查成功率９５％，诊断腰椎间盘突出症１６例，椎管内肿瘤７例，脊髓蛛网膜炎蛛网膜粘连５例，脊神经根束膜囊肿４例，脊椎骨折伴椎管狭窄３例。结论：非离子型造影剂流动性及弥散性好，副作用少，能显示脊髓腔内病变细节，使用时应控制用量，加快检查速度，详细分析影像改变。
Objective: To investigate the advantages and application precautions of nonionic contrast medium spinal canal angiography. Methods: The results of myelography of 40 cases of nonionic contrast agent were summarized and analyzed. The contrast agent was Omnipaque or Isovist, and the dosage was 6 ~ 20ml. Results: The success rate was 95%, 16 cases of lumbar disc herniation, 7 cases of spinal canal tumor, 5 cases of spinal arachnoid arachnoid adhesions, 4 cases of spinal nerve root canal cyst and 3 cases of vertebral fracture with spinal canal stenosis. Conclusion: The nonionic contrast agent has good fluidity and dispersibility, less side effects, can show the details of the lesions in the spinal cavity, should be used to control the dosage, speed up the examination speed, a detailed analysis of the image changes.