[摘要] 目的 研究并总结彩色多普勒超声(CDFI)在中老年结肠癌患者诊断中的影像特点与应用中的优缺点。方法 选择近10年51例经彩色多普勒超声诊断的中老年结肠癌病例，研究、分析其影像与临床资料，将超声诊断与手术病理结果相对比。 结果 超声诊断与最终的手术及病理诊断一致者47例，符合率92.2%，CDFI对肝脏、肠系膜淋巴结转移、肿瘤直接浸润高度敏感。 结论 彩色多普勒超声结肠探查中根据特征性影像改变、肿块内部血流及动力学变化，能够正确诊断结肠癌，因其独特的优势，可作为中老年结肠癌的初始检查方法。

    [关键词] 彩色多普勒超声；结肠癌；诊断；应用价值

    [中图分类号] R445.1；R735.3 [文献标识码] B [文章编号] 1673-9701(2017)22-0087-03

    [Abstract] Objective To study and summarize imaging features of color Doppler flow imaging(CDFI) in the diagnosis of middle-aged patients with colon cancer as well as advantages and disadvantages of CDFI in the application. Methods 51 cases of middle-aged patients with colon cancer who had been diagnosed by CDFI during recent 10 years were selected. Their imaging and clinical data were studied and analyzed ......