超高分辨率CT靶扫描对肺孤立性磨玻璃结节的诊断价值  

Diagnostic value of ultra-high resolution CT targeted scanning for solitary pulmonary ground glass nodules

作　　者：董浩 尹乐康 马永红 叶剑定[2] 楼存诚[1] 经齐峰[1] DONG Hao;YIN Lekang;MA Yonghong(Department of Radiology,the First People’s Hospital of Xiaoshan District,Hangzhou 311200,China)

机构地区：[1]杭州市萧山区第一人民医院放射科,311200 [2]上海交通大学附属上海市胸科医院放射科

出　　处：《浙江医学》2020年第5期465-468,共4页Zhejiang Medical Journal

基　　金：杭州市萧山区重大科技攻关政策引导项目(2018306);浙江中医药大学科研基金一般项目(2018ZY25)。

摘　　要：目的探讨超高分辨率CT(Ultra-HRCT)靶扫描对肺孤立性磨玻璃结节(GGN)的诊断价值。方法回顾性分析70例肺孤立性GGN患者的影像学及病理学资料。所有患者均行常规CT检查和Ultra-HRCT靶扫描,比较两种CT征象。以病理检查结果为金标准,比较两种CT检查的诊断正确率。结果与常规CT检查比较,Ultra-HRCT靶扫描在显示空泡征、支气管征、胸膜凹陷征及实性成分方面均有明显优势(均P<0.05)。Ultra-HRCT靶扫描的诊断正确率为71.43%,优于常规CT检查的51.43%(P<0.05)。结论Ultra-HRCT靶扫描可以更清晰地显示GGN边缘结构及内部特征,尤其是对实性成分的显示具有较明显的优势。对通过常规CT检查难以确诊或需重点定期复查的GGN,建议采用Ultra-HRCT靶扫描进一步检查。Objective To evaluate the application of Ultra-high resolution CT(Ultra-HRCT)targeted scanning for solitary pulmonary ground glass nodules(GGN).Methods The CT imaging and pathological data of 70 patients with isolated GGN were retrospectively analyzed.All patients underwent routine CT scanning and Ultra-HRCT targeted scanning,and the CT signs of the two CT scans were compared.Using the pathological results as the gold standard,the diagnostic accuracy of the two CT scans was evaluated.Results Ultra-HRCT targeted scanning was superior to conventional CT in displaying vacuoles,bronchial signs,pleural indentation and solid components(all P<0.05).Compared with routine CT,Ultra-HRCT targeted scanning had higher diagnostic accuracy(P<0.05).Conclusion Ultra-HRCT targeted scanning can clearly show the edge structure and internal characteristics of the pulmonary vitreous nodules,especially for the display of solid components.It is suggested that Ultra-HRCT targeted scanning be used for further examination of pulmonary GGN,when it is difficult to diagnose or need to be re-examined by routine CT scanning.

关 键 词：磨玻璃结节 超高分辨率CT 靶扫描 

分 类 号：R734.2[医药卫生—肿瘤] R730.44[医药卫生—临床医学]