肝细胞癌侵犯胆管甚少见,文献报道其发现率为１%～３%,临床上易被忽视〔１-３〕。本文报告资料完整、经手术病理证实的肝细胞癌胆管内癌栓４例,结合文献对其形成机制、临床特征、影像诊断等方面进行探讨。１临床资料及影像表现例１男,５８岁。因右上腹疼痛伴黄疸２月余入院。查 HCC infiltration bile duct is very rare, the reported rate of 1% to 3% reported in the literature, easily overlooked in clinical 〔1-3〕. In this paper, we report 4 cases of hepatocellular carcinoma thrombosis confirmed by surgery and pathology, and discuss the formation mechanism, clinical features and imaging diagnosis with reference to the literature. 1 clinical data and imaging examples 1 male, 58 years old. Right upper quadrant pain with jaundice more than 2 months admitted to hospital. check