双源CT血管成像评估肺癌病变的价值

目的探讨双源CT血管成像评估肺癌病变的价值。方法选择肺癌筛查的人群2100例,均进行双源CT低剂量进行检查,若发现异常需用双源CT血管成像序列进行增强扫描,记录患者的影像学特征并判断肺癌病变状况。结果双源CT低剂量筛查出345例(16. 4%)为阳性结节,其中实性结节245例,部分实性结节60例,磨玻璃密度结节40例。345例阳性结节中筛查出肺癌30例(8. 7%),经病理证实为肺癌患者27例,其中磨玻璃密度结节、部分实性结节中肺癌的比例高于实性结节(P <0. 05)。在27例肺癌患者中,CT表现为边缘毛糙20例,光整7例;形态不规则22例,规则5例;空泡1例,支气管充气征6例,胸膜凹陷12例;临床分型:周围型23例,中央型4例。结论双源CT血管成像评估肺癌病变有很好的价值,有利于显示肺癌的特征,有利于早期检出肺癌。

Value of Dual-source CT Angiography in the Evaluation of Lung Cancer

Objective To investigate and analysis the value of dual-source CT angiography in the assessment of lung cancer. Methods A total of 2,100 cases patients selected for lung cancer screening,who were all examined by dual-source CT low-dose imaging. If the patient were found abnormal,the patient received dual-source CT angiography enhanced scan. Imaging features of the patients were recorded and the status of lung cancer lesions of the patients were determined. Results There were345 cases of positive nodules were detected by dual-source low-dose screening that accounted for 16. 4%,and there were 245 cases of solid nodules,60 cases of partial solid nodules,and 40 cases of ground glass density nodules. 30 cases of lung cancer were screened that accounted for 8. 7% of positive nodules. And the were 27 cases of lung cancer were confirmed by pathology,the proportion of lung cancer in ground glass density nodules and partial solid nodules were higher than solid nodule( P < 0. 05). In the27 cases with lung cancer,CT showed 20 cases of marginal roughness,7 cases of smoothing;22 cases of irregular shape,5 cases of regularity;12 cases of pleural sag,6 cases of bronchial aeration,1 case of vacuolization;and there were 23 cases of peripheral type and 4 cases of central type. Conclusion Dual-source CT angiography has a good value in the evaluation of lung cancer lesions,which is helpful for showing the characteristics of lung cancer and is helpful for early detection of lung cancer.