Methods Portal veinhepatic artery fistula and pylic countercurrent blood flow in the liver were examined by color Doppler ultrasound.

• 方法应用彩色多普勒超声检测肝炎肝癌组、非肝炎肝癌组、肝炎组与对照组的门静脉肝动脉瘘、门静脉逆流的发生率。