Which statement best describes hepatocellular disease?

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Hepatocellular disease centers on injury to the liver cells themselves. The hepatocytes are the cells responsible for metabolism, detoxification, protein synthesis, and forming bile. When these cells are damaged, the primary problem is within the liver parenchyma, not in the bile ducts or the flow of bile. This pattern explains why tests often show elevated liver enzymes (like ALT and AST) and impaired synthetic functions, and why bilirubin handling can be disrupted, sometimes with conjugated bilirubin appearing in urine because it is water-soluble and excreted renally. The other statements describe issues related to bile duct obstruction or biliary flow, which is a different problem—hence they don’t best describe hepatocellular disease.