Objective To analyze the relationship between qualitative and quantitative CT indicators of pulmonary ground glass nodule and the degree of invasion of lung adenocarcinoma.Method A total of 187 patients with pulmonary ground glass nodules were divided into pre-invasion group(39 cases),micro-invasion group(54 cases)and invasion group(94 cases)according to postoperative pathological results.All patients underwent preoperative CT imaging exami-nations,the qualitative and quantitative CT indicators of the three groups were compared,and receiver operating charac-teristic(ROC)curve was drawn to analyze the predictive value of quantitative CT indicators for the degree of invasion of lung adenocarcinoma.Result There were significant differences in lesion morphology,marginal lobed features,vascular features and tumor-lung interface among the three groups of qualitative CT indicators(P<0.01).There were statistically significant differences in the maximum diameter of ground glass nodule,the maximum diameter of solid component and the average CT value among the three groups of quantitative CT indicators(P<0.01).The area under the curve(AUC)of the maximum diameter of ground glass nodule,the maximum diameter of solid component and the average CT value in predicting the degree of invasion of lung adenocarcinoma were 0.808,0.952 and 0.738,respectively.Conclusion Quali-tative and quantitative CT indicators are related to the degree of invasion of lung adenocarcinoma.
lung adenocarcinomainvasion degreepulmonary ground glass noduleCT value
维普
万方数据
