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目的分析下肢骨肉瘤的MRI与X线对照研究,探讨MRI诊断骨肉瘤的诊断效果。方法回顾性分析2012年7月—2017年1月收治的下肢骨肉瘤21例患者临床资料,均行MRI平扫与增强扫描(对照组),同时给予X线片检测(观察组),对两组征象进行比较。结果两组对患者下肢骨肉瘤的诊断准确率均为100%,但对照组在病变范围、Codman三角两层结构、放射状骨针、跳跃病灶等指标检测情况优于对照组。结论 MRI与X线均可作为下肢骨肉瘤的诊断方式,X线片诊断更简便,但MRI对病变范围显示更佳。
Objective To analyze the MRI and X-ray findings of osteosarcoma in the lower extremities and to explore the diagnostic value of MRI in the diagnosis of osteosarcoma. Methods The clinical data of 21 patients with osteosarcoma of the lower extremities admitted from July 2012 to January 2017 were retrospectively analyzed. All patients underwent MRI plain scan and contrast-enhanced scan (control group), and were examined by radiography (observation group) Group signs for comparison. Results The accuracy of diagnosis of osteosarcoma of the lower extremities was 100% in both groups. However, the control group had better diagnostic results than the control group in the lesion range, Codman triangle structure, radial bone pin and jumping lesions. Conclusion Both MRI and X-ray can be used as a diagnostic method for lower extremity osteosarcoma. X-ray diagnosis is more convenient, but MRI shows better range of lesion.