61 3D DCE MRP were effective and the image quality was evaluated by analyzing the demonstration of the portal venous system and the display of the right portal vein on 3D DCE MRP.

• 二、选择61例门脉系统结构显示完整的3D DCE MRP图像，通过对MPV、LPV、RPV、SV及SMV显示情况和对门脉右支显示能力的分析，评价3D DCE MRP的成像质量。