彩色多普勒超声(CDFI)对肝动脉频谱分析有助于对胆管病变病因的分析,及胆管病变术前术后肝脏血流灌注情况的分析检查近年来研究日渐增多,逐步广泛应用于超声诊断过程中。1常规超声对胆管病变病因的诊断价值超声为简便、经济、无创伤的检查方法,不受患者体质条件的影响,并可多方 Color Doppler ultrasound (CDFI) spectrum analysis of hepatic artery is helpful for the analysis of the etiology of cholangiocarcinoma and analysis of hepatic perfusion in preoperative and postoperative cholangiocarcinoma examination. The research in recent years has been gradually increasing, and has been widely used in ultrasound diagnosis Process. A conventional ultrasound diagnosis of the causes of bile duct disease Ultrasound is a simple, economical, noninvasive examination method, not affected by the patient’s physical condition, and can be multi-party