摘要
目的 :探讨三维血管成像与动态增强联合应用对肺结节的定性诊断价值。方法 :搜集 3 6例肺结节性病变患者 ,行动态CT增强扫描 ,并行三维血管重组 ,根据肺结节增强后的最大CT净增值及其周围的血管特征 ,对病变进行定性分析。结果 :肺结节动态增强、三维血管重组对病变定性诊断均有重要作用 ,二者敏感性、特异性、准确性的差异均无显著性意义 (P >0 .0 5 ) ;动态增强与三维血管重组相结合 ,对肺结节定性诊断的敏感度、特异度和诊断符合率分别为 92 .9%、62 .5 %和 86.1%。结论 :三维血管成像对肺结节性病变的定性诊断很有帮助 ,三维血管成像与动态增强相结合可明显提高诊断的敏感性和准确性。
Objective:To assess the value of three-dimensional reconstruction of vessels together with dynamic enhanced CT in the characterization of pulmonary nodules.Methods:36 cases with pulmonary nodules underwent dynamic enhanced CT and three-dimensional reconstruction of vessels.The pulmonary nodules were analyzed according to the biggest enhanced CT value and the characteristic of vessels.Results:Both three-dimensional reconstruction of vessels and dynamic enhanced CT were important in characterization of pulmonary nodules(No statistically significant differences were found in sensitivity,specificity and accuracy,P>0.05).When they were joined up,the sensitivity was 92.9%,the specificity was 62.5%, and the accuracy was 86.1%.Conclusion:Three-dimensional reconstruction of vessels is very helpful in diagnosing pulmonary nodules.Three-dimensional reconstruction of vessels together with dynamic enhanced CT can significantly improve the sensitivity and the accuracy.
出处
《放射学实践》
2004年第12期868-871,共4页
Radiologic Practice
基金
东南大学基金课题 (XJ- 0 2 67)
