Final answer:
Hepatocellular disease primarily affects the hepatocytes, while biliary obstruction occurs due to a blockage in the bile ducts.
Step-by-step explanation:
Hepatocellular disease and biliary obstruction are two different conditions that affect the liver. Hepatocellular disease refers to diseases that primarily affect the hepatocytes, which are the main functional cells of the liver. Examples of hepatocellular diseases include cirrhosis, liver cancer, and hepatitis. These conditions can lead to liver dysfunction and damage.
Biliary obstruction, on the other hand, occurs when there is a blockage in the bile ducts, preventing the normal flow of bile from the liver to the small intestine. This can be caused by conditions such as gallstones or tumors. Biliary obstruction can lead to a buildup of bilirubin in the blood and result in jaundice.
To differentiate between hepatocellular disease and biliary obstruction, doctors may perform tests such as abdominal X-ray, computed tomography (CT) scan, and a HIDA scan to evaluate the liver and bile ducts.