Abstract
To determine the prevalence and associations of the impaired visibility of the hepatic veins (HV) on the multi-detector row computed tomography (MDCT) in cirrhotic patients. Eighty-seven consecutive cirrhotic patients undergoing triphasic liver MDCT were enrolled. The patency of the HV and the direction of the blood flow in the main portal vein, inhomogeneity of the liver, portal vein thrombosis (PVT), a spontaneous splenorenal shunt, splenic indexes (cm(3)), contour abnormalities, and enlargement of the fissure were evaluated. The prevalence of the impaired visibility of the HV was 38% in the patients with cirrhosis. No significant associations exist between the impaired visibility of the HV and age (p=0.96), sex (p=0.14), portal vein thrombosis (p=0.29), or splenic indexes (p=0.32). Inhomogeneity of the liver (p=0.0001), marked contour abnormalities, (p=0.0001), splenorenal shunt (p=0.02), enlargement of fissure (p=0.0001), and hepatofugal flow (p=0.01) were significantly associated with the impaired visibility of the HV. Inhomogeneity of the liver, marked contour abnormalities, and hepatofugal flow are independently associated with the impaired visibility of the HV in cirrhotic patients on hepatic venous phase CT.
Highlights
Cirrhosis is characterized by chronic damage of the liver, parenchyma injury leading to extensive fibrosis and nodular regeneration [1]
Hepatik venlerin yetersiz visualize olması ile yaş (p=0.96), cinsiyet (p=0.14), portal vein thrombosis (PVT) (p=0.29) ya da splenik indeksler (p=0.32) arasında anlamlı ilişki saptanmadı
Hepatik venlerin yetersiz visualize olması ile karaciğerin inhomojenitesi (p=0.0001), belirgin kontur anormalliği (p=0.0001), splenorenal şant (p=0.02), fissürde genişleme (p=0.0001) ve hepatofugal akım (p=0.01) arasında anlamlı ilişki saptandı
Summary
Cirrhosis is characterized by chronic damage of the liver, parenchyma injury leading to extensive fibrosis and nodular regeneration [1]. Altered hepatic morphology occurs accompanying a progressive loss of function [2]. Triphasic liver computed tomography (CT) including arterial, portal, and hepatic venous phase is generally performed in cirrhotic patients for surveillance of hepatocellular carcinoma (HCC). We have frequently observed in the daily practice that the hepatic veins (HV) do not visualize clearly even on the hepatic venous phase CT in cirrhotic patients. We aimed to evaluate the prevalence and associations of the impaired visibility of the HV in cirrhotic patients using multi-detector computed tomography (MDCT)
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