To sum up the 3D DCE MRP signs of these diseases, and to evaluate the veracity of 3DDCE MRP in displaying portal vein system diseases by comparison to 29 cases of DSA, 1 case of CTA or/and 21 cases of surgery.

• 统计各疾病的3D DCE MRP征象特点，评价3D DCE MRP对门脉系统病变显示的准确性。