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

• 目的 对比离子型钆喷酸葡胺 (Gd -DTPA)和非离子型钆双胺MR对比剂 (Gd -DTPA -BMA)在肝脏病变手推团注多时相增强扫描中的增强效果。