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目的对CT与MRI检查在脊柱转移瘤诊断中的应用价值进行比较。方法回顾性分析本院于2013年3月—2015年3月接受影像学检查的疑似脊柱转移瘤患者86例,患者均行病变组织活检行病理诊断。比较两种检查的准确度和敏感度,同时在病变椎体数、压缩性骨折椎体数、椎旁软组织肿块以及椎管内异常病变4个方面对CT和MRI的检查结果进行比较。计数资料比较采用χ~2检验,P<0.05为差异有统计学意义。结果 CT检查在脊椎骨转移瘤的诊断中准确度为81.7%,灵敏度为84.9%;MRI检查在脊椎骨转移瘤的诊断中准确度为96.0%,灵敏度为98.39%。CT与MRI检查相比较,在准确度和灵敏度上对比差异均有统计学意义(均P<0.05)。在病变椎体数、椎旁软组织肿块以及椎管内异常病变这三个方面MRI的检查结果分别为289、56和56个,CT检查结果显示分别为151、11和9个。MRT检查结果高于CT检查。结论 CT和MRI检查在脊椎骨转移瘤临床诊断上均具有较高的准确度和灵敏度,在病变椎体数、椎旁软组织肿块以及椎管内异常病变方面,MRI检查更具优势。
Objective To compare the diagnostic value of CT and MRI in the diagnosis of spinal metastases. Methods A retrospective analysis of our hospital from March 2013 March 2015 March imaging suspected spinal metastases in patients with 86 cases, patients underwent pathological biopsy pathological diagnosis. The accuracy and sensitivity of the two methods were compared. The results of CT and MRI were compared in four aspects: the number of vertebral body lesions, the number of vertebral body fractures, paravertebral soft tissue mass and abnormal spinal canal lesions. Count data were compared using χ ~ 2 test, P <0.05 for the difference was statistically significant. Results The accuracy of CT examination in diagnosing spinal metastases was 81.7% and the sensitivity was 84.9%. The accuracy of MRI in diagnosing spinal metastases was 96.0% and the sensitivity was 98.39%. Comparing the accuracy of CT and MRI, there was significant difference between accuracy and sensitivity (all P <0.05). The number of lesions in the vertebral body, paravertebral soft tissue mass and abnormal lesions in the spinal cord MRI examination results were 289,56 and 56, CT examination results were 151,11 and 9, respectively. MRT test results higher than the CT examination. Conclusion CT and MRI have high accuracy and sensitivity in the clinical diagnosis of spinal metastases. MRI examination has more advantages in the number of vertebral body lesions, paravertebral soft tissue mass and abnormal spinal canal lesions.