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目的:研究CT和X线在乳腺肿瘤诊断中的效果及诊断灵敏度和准确性.方法:在本文研究中将乳腺肿瘤患者作为研究对象,200例收治时间在2019年度12月-2020年度12月,根据随机抽签分组原则分为观察组100例、对照组100例,分别采取CT诊断方式、x线诊断方式,分析并且对比两组各项指标.结果:观察组诊断符合率、灵敏度和特异度均高于对照组(P＜0.05).结论:CT诊断乳腺肿瘤的准确性较高.“,”Objective: To study the effect of CT and X-ray in the diagnosis of breast tumors, as well as the sensitivity and accuracy of diagnosis.Methods: In this study, patients with breast tumors were taken as the research object.200 cases were admitted from December 2019 to December 2020.According to the random drawing and grouping principle, they were divided into observation group 100 cases and control group 100 cases.X-rays were taken respectively.Diagnosis method, CT diagnosis method, analysis and comparison of the indicators of the two groups.Results: The diagnostic coincidence rate, sensitivity and specificity of the observation group were higher than those of the control group (P＜0.05).Conclusion: CT diagnosis of breast tumors is more accurate.