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目的了解乳腺疾病二维声像图表现及彩色多普勒血流状况,以便帮助临床及时诊断。方法采用GE公司,VOLUSON730PROV型彩色多普勒超声诊断仪,探头频率7.5～10MHz对146例乳腺肿瘤患者行二维超声横切面,纵切面,放射状,反放射状扫查,彩色多普勒行血流检查。结果从彩色超声多普勒图像分析,其中肿瘤内部的血管数目不低于3条.血流信号为中心型,周围型,混合型,信号的形状分为:短线行,分支行,点状不规则形,在146例乳腺肿瘤中,良性瘤为105例,恶性肿瘤为34例。结论结合二维超声肿瘤形态如微小叶、针状突、及内部回声,根据彩色多普勒阻力系数,收缩期最高流速常被用为分辨恶性或良性肿瘤的数据,恶性肿瘤阻力系数不低于0.7。收缩期最高流速不低于20cm/s。如果肿瘤有较高值的血管数目,阻力系数及收缩最高流速,诊断肿瘤为恶性的敏感率可达86%。
Objective To understand the two-dimensional mammography and color Doppler flow imaging, in order to help clinical diagnosis. Methods A total of 146 cases of breast cancer were examined by two-dimensional ultrasonography, longitudinal section, radial and anti-radial scanning with color Doppler sonography using VOLUSON730PROV color Doppler sonography and probe frequency of 7.5-10 MHz. an examination. Results from color Doppler ultrasound image analysis, in which the number of blood vessels within the tumor is not less than 3. Blood flow signals for the central type, peripheral type, mixed type, the signal shape is divided into: short line, branch line, punctate Regular shape, in 146 cases of breast cancer, benign tumors were 105 cases, 34 cases of malignant tumors. Conclusion According to the color Doppler resistance coefficient, the maximum systolic flow rate is often used as the data to distinguish malignant or benign tumors. The resistance coefficient of malignant tumors is not lower than 0.7. Systolic maximum flow rate of not less than 20cm / s. If the tumor has a higher value of the number of blood vessels, the coefficient of resistance and the highest rate of contraction, the sensitivity of the diagnosis of malignant tumors up to 86%.