目的：探讨二维彩色多普勒血流显像（2 D-CDFI）在颈动脉体瘤诊断中的应用价值。
Objective:To explore the value of two dimensional color Doppler flow imaging(2D-CDFI) for the diagnosis of the carotid body tumor.
结果面颈部软组织良、恶性肿瘤在二维超声、彩色多普勒血流显像两方面具有不同的特征。
Results Benign and malignant tumors in cervicofacial soft tissues had different characteristics in the two dimension ultrasound and colour doppler blood flow imaging.
目的探讨二维超声及彩色多普勒血流显像(CDFI)技术在术前诊断下肢静脉瓣膜功能不全的应用价值。
Objective To evaluate the application of two dimensional ultrasonography and CDFI in the preoperative diagnosis of deep venous valvular insufficiency of lower extremities.
结果病变血管在二维超声图像，彩色多普勒血流显像以及频谱多普勒方面差异均有显著性。
Results the differences of various diseased blood vessels are remarkable among the two-dimensional ultrasonic images, the color doppler? Ow images and frequency spectrum doppler.
目的：探讨二维超声与彩色多普勒血流显像(CDFI)对甲状腺疾病的诊断价值。
Objective To detect the diagnostic value of two dimensional ultrasound and color Doppler flow imaging (CDFI) in thyroid disease.
方法：对6例输尿管囊肿的二维灰阶超声及彩色多普勒血流显像表现进行了回顾性分析。
Methods: The imaging findings of 6 cases of ureter cyst in 2-d ultrasound and CDFI were analyzed retrospectively.
方法应用二维彩色多普勒血流显像检查下肢静脉瓣功能不全49例，观察下肢静脉血管及瓣膜的解剖结构和血流动力学的改变。
Methods 49 patients with venous valvular insufficiency were examined using 2-D color Doppler flow imaging to observe the anatomic structures of valves and hemodynamics of venous flow in legs.
目的探讨二维超声及彩色多普勒血流显像(CDFI)检查对乳腺癌的诊断价值。
Objictive To assess the value of 2d ultrasound (2d US) and color Doppler flow imaging (CDFI) sonographic features in the diagnosis of breast cancer.
先应用二维超声显像，横切测量动脉管径，然后再应用彩色多普勒超声，显示血流充盈情况。
First, 2d ultrasound imaging was used to transversely measure the arterial diameter, and then color Doppler ultrasound was used to show the filling of blood.
先应用二维超声显像，横切测量动脉管径，然后再应用彩色多普勒超声，显示血流充盈情况。
First, 2d ultrasound imaging was used to transversely measure the arterial diameter, and then color Doppler ultrasound was used to show the filling of blood.
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