Materials and Methods:Among 59 examinations (57 cases) of MRA in abdominal veins performed, there were 51 of 2D TOF (time of flight), 19 of 2D PC (phase contrast), 30 of dynamic contrast enhanced MRA (DCE MRA) (10 of 2D DCE MRA and 20 of 3D DCE MRA).

• 材料与方法：腹部静脉MRA共57例行59人次检查。 包括2DTOF51次，2DPC19次，动态增强MRA30次（其中2D动态增强10次，3D动态增强20次）。