动态增强CT扫描对肺孤立性结节定性的诊断价值  

A Study on the Diagnostic Value of Dynamic Contrast-Enhanced CT in the Solitary Pulmonary Nodules

作　　者：董琼雄 郑浈浈[2] 林秋莲 裴仁全[3] 杨仪 

机构地区：[1]汕头市第三人民医院,515073 [2]汕头大学第二附属医院放射科,515000 [3]汕头大学第一附属医院影像中心,515000

出　　处：《国际医药卫生导报》2009年第3期32-34,共3页International Medicine and Health Guidance News

摘　　要：目的探讨动态增强cT扫描对肺部孤立性结节良恶性鉴别诊断的价值。方法对符合标准的60例肺孤立性结节，先行胸部CT平扫后，以4ml／秒速率注入造影剂后60秒、120秒、180秒、240秒、300秒行薄层扫描，分析其强化值、强化程度及强化形态。结果恶性结节的强化值为（36．9±15．1）Hu，明显高于良性结节（19．73±17．61）Hu（P〈0．01）。周围性肺癌的主要强化形态是完全性强化及周围性强化，结核瘤的主要强化形态是无强化及包膜样强化。结论动态增强CT扫描对孤立性肺结节定性诊断有重要意义，强化值的大小是重要诊断依据。Objective To explore the value of dynamic contrast-enhanced CT for differentially diagnosing benign and malignant the solinary pulmonary nodules. Methods 60 solitary pulmonary nodules proved by histopathoiogical examination were cnrolled in this study. Thin-section CT scanning was performed before and 60S, 120s, 180s, 240s, 300s after contrast enhancement. Result The enhanced value of malignant nodules（36.9 ± 15.1）Hu was significantly higher than that of benign nodules（19.78 ±17.61）Hu （P〈0.01）. The surroundings lung cancer＇s main strengthened shape is the complete strengthening and periphery the strengthening. Tuberculoma＇s main strengthened shape does not have strengthened and the involucrum type strengthening. Conclusion The enhanced helical CT scans are importance in the diagnosis of Solitary Pulmonary Nodules.

关 键 词：肺结节 定性 CT 动态增强 

分 类 号：R730[医药卫生—肿瘤] R734[医药卫生—临床医学]