Pathophysiology Congestive hepatopathy

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ct appearance of liver in congestive hepatopathy, referred nutmeg liver. due congestion, contrast not flow through liver in normal manner. axial , coronal images in portal venous phase.


increased pressure in sublobular branches of hepatic veins causes engorgement of venous blood, , due chronic cardiac lesions, affecting right heart (e.g., right-sided heart failure), blood being dammed in inferior vena cava , hepatic veins. central regions of hepatic lobules red–brown , stand out against non-congested, tan-coloured liver. centrilobular necrosis occurs.


macroscopically, liver has pale , spotty appearance in affected areas, stasis of blood causes pericentral hepatocytes (liver cells surrounding central venule of liver) become deoxygenated compared relatively better-oxygenated periportal hepatocytes adjacent hepatic arterioles. retardation of blood occurs in lung lesions, such chronic interstitial pneumonia, pleural effusions, , intrathoracic tumors.







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