CT动态增强扫描对周围型肺癌的诊断评价  

The Diagnostic Evaluation of Peripheral Lung Cancer by Dynamic Enhanced CT

作　　者：徐秋贞[1] 储成凤[1] 杨明[1] 张俭[1] 郏爱明[1] 

机构地区：[1]东南大学附属中大医院放射科,江苏南京210009

出　　处：《实用放射学杂志》2003年第12期1081-1083,共3页Journal of Practical Radiology

基　　金：东南大学科学基金资助项目 (2 0 0 0年校科学第 4号 )

摘　　要：目的　探讨动态增强CT对肺癌的诊断价值。方法　选择直径≤ 4cm的孤立性肺结节 42例行动态CT增强研究 ,其中经病理及临床证实的周围型肺癌 3 0例 ,测量其增强前后各时间段扫描的CT值变化 ,绘制时间 -密度曲线 ,分析肺癌的增强特征。结果　孤立性肺结节静注碘剂 10 0ml后 ,所有肺癌均显著强化 ,分 3个类型 :均匀小结节状强化 19例 ,不均匀中心团块状强化 5例和周边不规则强化 6例。Objective To study the diagnostic value of peripheral lung cancer by dynamic enhanced CT.Methods The dynamic enhanced CT with solitary pulmonary nodule (diameter≤4 cm) were performed in 42 cases,30 cases verified to be lung cancer by pathology and clinics.The CT values of lessions before and after the enhancement in various time period were measured,the time-attenuation curves were drawn and the enhanced characteriscs of lung cancer were analyzed.Results After intravenous injection of 100 ml iodine solution,all of the lung cancers had been significantly enhanced,which can be divided into three types:homogeneous small nodule enhancement in 19 cases,heterogeneous centered enhancement in 5 cases,irrigular peripheral enhancement in 6 cases.Conclusion Dynamic CT enhanced scanning is very valuable to both diagnosis and distinguish diagnosis of the peripheral lung cancer.

关 键 词：CT 动态增强扫描 周围型肺癌 诊断评价 病例 

分 类 号：R734.2[医药卫生—肿瘤] R814.42[医药卫生—临床医学]