摘要
目的 探讨X线平片对早期肺癌的诊断价值.方法 选取100例肺结节患者为研究对象,均接受X线平片检查,以组织病理学结果为金标准,分析X线平片对早期肺癌的诊断效能,比较X线平片与CT检查的诊断符合率、辐射剂量及对病灶特征的显示情况.结果 X线平片共诊断准确47例肺癌,将5例良性病变诊断为恶性,将9例恶性病变诊断为良性,其诊断敏感性、特异性、阳性预测率、阴性预测率及诊断符合率分别为83.9％、88.6％、90.4％、81.3％和86.0％.X线平片与CT检查对早期肺癌总体诊断符合率（86.0％比93.0％）差异无统计学意义（x^2=2.647,P＞0.05）.但X线平片有效放射剂量明显低于CT检查[（0.16±0.02） mGy/cm比（0.89±0.03） mGy/cm],差异有统计学意义（t=10.475,P＜0.05）.X线平片与CT对早期肺癌分叶、毛刺、空洞及钙化的显示情况差异无统计学意义（P＞0.05）,但X线平片对磨玻璃灶的显示率显著低于CT检查（3.6％比16.1％）,差异有统计学意义（x^2=4.940,P＜0.05）.结论 X线平片在早期肺癌的诊断中具有较高的诊断符合率,且其价格低廉、辐射剂量低,适合常规筛查.
Objective To evaluate the diagnostic value of X ray film in early lung cancer.Methods 100 patients with pulmonary nodules were selected as the subjects.X-ray examination was performed.The histopathological findings were the gold standard.The diagnostic efficacy of X-ray plain film in early lung cancer was analyzed.The diagnostic accuracy,radiation dose and characteristics of lesions were compared between X ray and CT.Results 47 cases of lung cancer were diagnosed by X-ray plain film,5 cases of benign lesions were diagnosed as malignant,and 9 cases of malignant lesions were diagnosed as benign.The diagnostic sensitivity,specificity,positive predictive rate,negative predictive rate and diagnostic coincidence rate were 83.9%,88.6%,90.4%,81.3% and 86%,respectively.Comparison of X-ray and CT in the overall diagnosis of early lung cancer（86% vs 93%）,the difference was not statistically significant（x^2 =2.647,P 〉 0.05）.But the effective radiation dose of X ray radiography was lower than CT scan [（0.16 ± 0.02）mGy/cm vs.（0.89 ± 0.03）mGy/cm],the difference was statistically significant（t =10.475,P 〈 0.05）.Comparison of X-ray and CT in the diagnosis of early lung cancer with minute lobe,burr,cavity and calcification,the difference was not statistically significant（P 〉 0.05）.But the X-ray film showed a significantly lower rate of grinding glass stove than CT（3.6% vs.16.1%）,the difference was statistically significant （x^2 =4.940,P 〈 0.05）.Conclusion X ray film has high diagnostic accuracy in the diagnosis of early lung cancer,and with low price,low radiation dose,it is suitable for routine screening.
出处
《中国基层医药》
CAS
2017年第23期3576-3578,共3页
Chinese Journal of Primary Medicine and Pharmacy
关键词
X线胶片
肺肿瘤
诊断
X-ray film
Lung tumor
Diagnosis
