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Centrilobular necrosis (CN) is a nonspecific histopathological observation brought on by hepatotoxins like acetaminophen (paracetamol), [1] thioacetamide, tetrachloride, [2] cardiac hepatopathy due to acute right sided cardiac failure, and congestive hepatic injury in veno-occlusive disease, [3] or hypoxic injury due to ischemia. [2]
Congestive hepatopathy, is liver dysfunction due to venous congestion, usually due to congestive heart failure. The gross pathological appearance of a liver affected by chronic passive congestion is "speckled" like a grated nutmeg kernel; the dark spots represent the dilated and congested hepatic venules and small hepatic veins. The paler areas ...
Histopathology of shock liver, showing its hallmark [1] pathologic finding centrilobular necrosis but viable periportal hepatocytes. H&E stain. The necrotic hepatocytes have barely discernible nuclei. Symptoms: Mental confusion [2] Causes: Heart failure, Infection [3] Diagnostic method
In histology (microscopic anatomy), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale. The hepatic lobule is a building block of the liver tissue, consisting of portal triads, hepatocytes arranged in linear cords between a capillary network, and a central vein.
Obstruction also causes centrilobular necrosis and peripheral lobule fatty change due to ischemia. If this condition persists chronically what is known as nutmeg liver will develop. Kidney failure may occur, perhaps due to the body sensing an "underfill" state and subsequent activation of the renin - angiotensin pathways and excess sodium ...
The exact definition of "rapid" is somewhat questionable, and different sub-divisions exist which are based on the time from onset of first hepatic symptoms to onset of encephalopathy. One scheme defines "acute hepatic failure" as the development of encephalopathy within 26 weeks of the onset of any hepatic symptoms.
A Manhattan federal judge will hold a hearing over whether to freeze the hotly contested congestion pricing plan — just two weeks before the first-in-the-nation toll is set to take effect.
Coagulative necrosis is most commonly caused by conditions that do not involve severe trauma, toxins or an acute or chronic immune response.The lack of oxygen (hypoxia) causes cell death in a localized area which is perfused by blood vessels failing to deliver primarily oxygen, but also other important nutrients.