目的回顾性分析被监测超声(US)发现的可疑肝细胞肝癌的肝内结节(1～2cm)的MR影像表现,提出新的MR诊断标准。方法研究获得伦理委员会同意,无需病人的知情同意。145例连续超声监测新发现的肝脏结节(1～2cm)病人中的108例接受了钆贝葡胺增强MR检查。在排除血管瘤及 Objective To retrospectively analyze MR findings of intrahepatic nodules (1 ~ 2 cm) in suspicious hepatocellular carcinoma (HCC) detected by monitored ultrasound and to propose a new MR diagnostic criteria. Methodology Approved by Ethics Committee without patient informed consent. One hundred and fifty-eight consecutive patients with newly discovered liver nodules (1-2cm in length) under continuous ultrasound were enrolled in the study. In the exclusion of hemangiomas and