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Peripheral Mass–Forming Cholangiocarcinoma in Cirrhotic Liver

Su Jin Kim1, Jeong Min Lee1, Joon Koo Han1, Ki Hyun Kim1, Jae Young Lee1 and Byung Ihn Choi1

1 All authors: Department of Radiology and Institute of Radiation Medicine, Seoul National University Hospital, 28, Yongon-dong, Chongno-gu, Seoul 110-744, Korea.


Figure 1
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  		Fig. 1 —Relative attenuation of cholangiocarcinoma and hepatocellular carcinoma during hepatic arterial and portal venous phases of CT. CC = cholangiocarcinoma, HAP = hepatic arterial phase, PVP = portal venous phase, HCC = hepatocellular carcinoma. Light gray indicates hyperattenuation; dark gray, isoattenuation; white, hypoattenuation. Numbers in bars indicate number of patients.

 

Figure 2
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  		Fig. 2A —66-year-old man with mass-forming cholangiocarcinoma (6 cm in diameter) in right lobe of liver. Transverse CT scan obtained during hepatic arterial phase shows early peripheral tumor enhancement (arrow).

 

Figure 3
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  		Fig. 2B —66-year-old man with mass-forming cholangiocarcinoma (6 cm in diameter) in right lobe of liver. Transverse CT scan obtained during portal venous phase shows centripetal enhancement (arrow).

 

Figure 4
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  		Fig. 2C —66-year-old man with mass-forming cholangiocarcinoma (6 cm in diameter) in right lobe of liver. Photograph of pathologic specimen shows whitish mass with central desmoplastic changes.

 

Figure 5
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  		Fig. 3A —55-year-old woman with mass-forming cholangiocarcinoma (2.9 cm in diameter) in left lobe of liver. Transverse CT scan obtained during hepatic arterial phase shows subtle tumor enhancement (arrow).

 

Figure 6
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  		Fig. 3B —55-year-old woman with mass-forming cholangiocarcinoma (2.9 cm in diameter) in left lobe of liver. Transverse CT scan obtained during portal venous phase shows minimal tumor enhancement (arrow), decrease in relative tumor attenuation, and increase in tumor conspicuity caused by marked hepatic parenchymal enhancement.

 

Figure 7
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  		Fig. 4A —47-year-old man with cholangiocarcinoma (3 cm in diameter) in right lobe of liver. Transverse CT scan obtained during hepatic arterial phase shows isoattenuating tumor (arrow).

 

Figure 8
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  		Fig. 4B —47-year-old man with cholangiocarcinoma (3 cm in diameter) in right lobe of liver. Transverse CT scan obtained during portal venous phase shows washout enhancement pattern (arrow).

 

Figure 9
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  		Fig. 5A —43 year-old man with hepatocellular carcinoma (2.7 cm in diameter) in left lobe of liver. Transverse CT scan obtained during hepatic arterial phase shows subtle tumor enhancement (arrow).

 

Figure 10
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  		Fig. 5B —43 year-old man with hepatocellular carcinoma (2.7 cm in diameter) in left lobe of liver. Transverse CT scan obtained during portal venous phase shows washout enhancement pattern (arrow).

 

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