Objective To introduce multi-phase dynamic contrast-enhanced MR scan of hand-push bolus for hepatic tumor and to evaluate the effectiveness of Gd-DTPA and Gd-DTPA-BMA.

• 目的介绍肝脏病变手推团注动态MR增强扫描方法,对比离子型钆喷酸葡胺和非离子型钆双胺MR对比剂在肝脏肿瘤性病变动态增强的效果。