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目的：观察肝内胆管细胞癌的 Ｃ Ｔ特征及其病理基础。方法：１３ 例经病理证实的肝内胆管细胞癌均行 Ｃ Ｔ 平扫及增强扫描，其中部分病例加做 Ｃ Ｔ延迟扫描；１３ 例肝内胆管细胞癌均行病理切片观察。结果：１３ 例 Ｃ Ｔ均表现低密度，伴肝内胆管扩张６ 例，合并肝内胆管结石４ 例；增强扫描呈线样强化５ 例，网格样强化４ 例，结节状强化２ 例，无明显强化２ 例。病理切片显示肝内胆管细胞癌纤维组织丰富，血管稀少，这是肝内胆管细胞癌 Ｃ Ｔ增强扫描呈各种各样强化的病理基础。结论： Ｃ Ｔ平扫低密度而增强呈线样及网格样强化，对肝内胆管癌有诊断和鉴别诊断价值。
Objective: To observe the C T characteristics and pathological basis of intrahepatic cholangiocarcinoma. Methods: CT scans and CT scans were performed in 13 cases of intrahepatic cholangiocarcinoma confirmed by pathology. In some cases, CT delayed scans were performed; 13 intrahepatic cholangiocarcinomas were observed by pathological sections. Results: 13 cases showed low density of C T with intrahepatic bile duct dilatation in 6 cases and 4 cases of intrahepatic bile duct stones; enhanced scan showed linear enhancement in 5 cases, grid-like enhancement in 4 cases, and nodular enhancement in 2 cases. No significant enhancement in 2 cases. Pathological sections showed that intrahepatic cholangiocarcinoma was rich in fibrous tissue and scarce blood vessels. This is a pathological basis for enhanced CT scans of intrahepatic cholangiocarcinoma. Conclusion: CT plain scan has low density and enhanced linear and grid-like enhancement, and has diagnostic and differential diagnostic value for intrahepatic cholangiocarcinoma.