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目的：：探讨超声造影检查对乳腺肿块患者诊断及血管特性分析的价值。方法：随机选取84例乳腺肿块患者作为研究对象。其中42例作为对照组,行普通超声检查,另42例作为研究组,在对照组基础上再行超声造影检查。统计研究组造影前后血流分级的变化,分别记录乳腺肿块内时间强度曲线。所有患者均行穿刺活检以病理学检查结果作为最终确诊结果,比较种方式的诊断符合率。结果：①造影后,血流分级为Ⅲ级的患者比例大大增加,Ⅱ级和Ⅰ级、0级明显减少。②两组患者小于2cm的良性肿块的诊断符合率相差不大,其他肿块的诊断符合率均有显著性差异, P<0．05。③研究组恶性肿块与良性肿块参数比较,恶性肿块的平均强度差值、曲线下面积差值显著偏高,造影剂达峰值时间偏短；而其造影剂渡越时间远远常于对照组, P<0．05。此外良恶性肿块内部最大血流速度( Vmax)有显著性差异,利于鉴别；而肿块内部的阻力指数( RI)则无统计学意义。结论：超声造影检查技术对乳腺肿块的诊断和治疗具有重要价值,诊断符合率高,有助于患者及时诊断疾病及时治疗,值得临床推广应用。“,”OBJECTIVE: To investigate the value of ultrasonic examination in the diagnosis of the patients with the breast mass and blood vessel characteristic value. METHODS: 84 patients with breast masses were selected. These patients were randomly divid-ed into the control group (n=42) and the studly group (n=42). The control group accepted normal ultrasonography and the study group received ultrasound angiography on the basis of the examination method of the control group. The changes of blood flow grading in two groups before and after study were analysed statistically. The time intensity curve of the breast mass was also recorded. The re-sults which all the patients underwent biopsy for pathological examination were as the final diagnosis results. RESULTS: ①After angi-ography blood flow gradeⅢ proportion of the patients increased significantly; Grade Ⅱ, grade Ⅰ and grade 0 reduced significemtly.②The rate difference was not consistent in the patients with less than 2cm benign tumor in the two groups. There was signficant differ-ences in the diagnosis of other masses ( P<0. 05 ) . ③A comparative study of malignant tumor and benign tumor group parameters showed that the average intensity difference and area under the curve malignant mass difference were high significantly; the time which contrast agent reached the peak was short; and the contrast agent transit time was longer than that in the control group ( P<0. 05 ) . There was significant difference in the internal Vmax of benign and malignant masses and there was no statistical significemt difference in RI within the masses. CONCLUSION: Contrast-enhanced ultrasound technique has the important value in the diagnosis and treat-ment of breast tumors. Its diagnosis coincidence rate is hige.