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KMID : 0386119930290040765
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Journal of the Korean Radiological Society
1993 Volume.29 No. 4 p.765 ~ p.774
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Segmental Abnormal perfusion in the Liver: Relation between Hepatic Arterial and Portal Vein Blood Flow in the Fast Contrast CT
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Abstract
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Sixty seven cases of segmental arterial hyperperfusion and thirty one cases of segemental portal hypoprfusion detected among 803 cases of arterial and portal dominant CT were studied for he evaluation of etiology and mechanism causing
intrahepatic
segmental abnormal perfusion in normal portion of the liver around hepatic mass. Hepatic masses causing segmental abnormal perfusion were hepatocellular carcinoma, peripheral cholangiocarcinoma, metastasis, abscess, and cavernous hemangioma.
Segmental
portal hypoperfusion was seen on the area of segmental arterial hyperperfusion in all the cases and segmental arterial hyperperfusion was seen on the area of segmental portal hypoperfusion in 77% of cases. In conclusion, there are intrahepatic
segmental
portal and arterial abnormal perfusions in normal portion around hepatic mass, and these phenomena may be developed with close reciprocal alteration between both portal and hepatic arterial flows.
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KEYWORD
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