Which diagnosis best fits a condition caused by blockage (thrombus) of the portal vein, presenting with hepatomegaly, ascites, RUQ pain, and rapid development of acute liver disease?

Which diagnosis best fits a condition caused by blockage (thrombus) of the portal vein, presenting with hepatomegaly, ascites, RUQ pain, and rapid development of acute liver disease?

• A. Blockage (thrombus) of the portal vein causing hepatomegaly, ascites, RUQ pain, and rapid development of acute liver disease.
• B. Blockage of the hepatic artery causing sudden, painless jaundice.
• C. Autoimmune destruction of bile ducts leading to pruritus and pale stools.
• D. Inflammation of the gallbladder due to gallstones.

Answer: (A)

Blockage of the portal vein disrupts the main inflow of blood to the liver, causing backup of pressure in the portal system and congestive changes in the liver. This leads to hepatomegaly from hepatic congestion, ascites from increased portal pressure, and RUQ pain due to edema and capsular stretch. If the thrombosis develops quickly, liver function can deteriorate rapidly, producing acute liver dysfunction. This combination of hepatomegaly, ascites, RUQ pain, and swift liver deterioration is best explained by portal vein thrombosis, rather than hepatic artery blockage, autoimmune destruction of bile ducts, or gallbladder inflammation, which produce different clinical patterns (ischemic injury or painless jaundice, cholestasis with pruritus, or acute cholecystitis with fever and localized RUQ pain).

Blockage of the portal vein disrupts the main inflow of blood to the liver, causing backup of pressure in the portal system and congestive changes in the liver. This leads to hepatomegaly from hepatic congestion, ascites from increased portal pressure, and RUQ pain due to edema and capsular stretch. If the thrombosis develops quickly, liver function can deteriorate rapidly, producing acute liver dysfunction. This combination of hepatomegaly, ascites, RUQ pain, and swift liver deterioration is best explained by portal vein thrombosis, rather than hepatic artery blockage, autoimmune destruction of bile ducts, or gallbladder inflammation, which produce different clinical patterns (ischemic injury or painless jaundice, cholestasis with pruritus, or acute cholecystitis with fever and localized RUQ pain).