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Relationship Between Various Patterns of Transient Increased Hepatic Attenuation on CT and Portal Vein Thrombosis Related to Acute Cholecystitis

Seung Hong Choi1, Jeong Min Lee, Kyoung Ho Lee, Se Hyung Kim, Young Jun Kim, Su Kyung An, Joon Koo Han and Byung Ihn Choi

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



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  		Fig. 1A. —62-year-old woman with portal vein thrombosis related to acute cholecystitis in segment IV of liver. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (arrows) with segmental distribution in segment IV.

 


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  		Fig. 1B. —62-year-old woman with portal vein thrombosis related to acute cholecystitis in segment IV of liver. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (arrows) with curvilinear appearance in pericholecystic gallbladder fossa of liver.

 


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  		Fig. 1C. —62-year-old woman with portal vein thrombosis related to acute cholecystitis in segment IV of liver. CT scan obtained during portal venous phase shows occlusive thrombus (arrowhead) with low attenuation in segment IV.

 


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  		Fig. 2A. —76-year-old woman with portal vein thrombosis related to acute cholecystitis in segments VI and VII of liver. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (arrows) with segmental distribution in segments VI and VII.

 


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  		Fig. 2B. —76-year-old woman with portal vein thrombosis related to acute cholecystitis in segments VI and VII of liver. CT scan obtained during portal venous phase reveals occlusive thrombi (arrowheads) with low attenuation in segments VI and VII.

 


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  		Fig. 3A. —69-year-old woman with portal vein thrombosis related to acute cholecystitis in left portal vein. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (arrows) with lobar distribution in left lobe of liver.

 


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  		Fig. 3B. —69-year-old woman with portal vein thrombosis related to acute cholecystitis in left portal vein. CT scan obtained during portal venous phase reveals occlusive thrombus (arrowhead) with low attenuation in left portal vein.

 


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  		Fig. 4. —74-year-old man with acute gangrenous cholecystitis. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (thick solid arrow) with curvilinear appearance in pericholecystic gallbladder fossa of liver. Note intraluminal gas collection (thin solid arrow) in gallbladder fundus and pericholecystic infiltration (open arrow).

 


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  		Fig. 5A. —62-year-old man with gallbladder empyema. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (arrows) with lobar distribution in left lobe of liver.

 


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  		Fig. 5B. —62-year-old man with gallbladder empyema. CT scan obtained during hepatic arterial phase shows transient increased hepatic attenuation (solid arrow) with curvilinear appearance in pericholecystic gallbladder fossa of liver. Note pericholecystic fluid collection (open arrow).

 

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