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.
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