目的探讨彩色多普勒超声联合 CT诊断乳腺癌的临床效果，评价其应用价 值。方法 选取2013年3月-2015年3月我院 普外科收治的48例乳腺癌患者，随机分为 观察组(24例，彩色多普勒超声联合CT诊 断)，对照组(24例，单用彩色多普勒超声 诊断)，对比两组患者的疾病诊断准确率 及影像学表现。结果 观察组浸润性导管 癌、浸润性小叶癌、导管内乳头状癌、髓 样癌、黏液癌等疾病诊断准确率显著高于 对照组(P＜0.05)，差异有统计学意义； 彩色多普勒超声联合CT诊断乳腺癌较彩色 多普勒超声更能清楚显示病灶。结论 应 用彩色多普勒超声联合CT诊断乳腺癌，敏 感性强、分辨度高，可提高疾病确诊率， 为临床制定适当治疗方案提供科学依据。

Objective This Paper is to investigate clinical efficacy of color Doppler ultrasound (CDU) combined CT in the diagnosis of breast cancer and to evaluate its application value. Methods Forty eight patients with breast cancer were randomly divided into the observation group (24 cases, color Doppler ultrasound combined CT) and control group (24 cases, single application of color Doppler ultrasound diagnosis) selected by the Department of General Surgery of this Hospital from March, 2013 to March, 2015, the diagnosis accuracy of disease and imaging manifestations of two groups of patients were compared. Results The diagnosis accuracy of infiltrating duct carcinoma, invasive lobular carcinoma, intraductal papillary carcinoma, medullary carcinoma　mucinous carcinoma is significantly higher than that of patients in the control group (P<0.05), the difference was statistically significant. The Color Doppler flow imaging (cdfi) combined CT in the diagnosis of breast cancer compared with color doppler ultrasound can clearly show more lesions. Conclusion Color Doppler ultrasound combined CT is featured with strong sensitivity and high resolution in the diagnosis of breast cancer, and it can increase the rate of disease diagnosis, clinically providing scientific evidence for appropriate treatment plan.