This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Budd- chiari syndrome is characterised by ? \nSelect and explain. \nA. Hepatic veno-occlusive disease, B. Hepatomegaly, C. Poal vein obstruction, D. All', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e.,Hepatomegalyo Budd-chiari syndrome is the clinical picture caused by occlusion of the hepatic vein or inferior vena cava. o It presents with classical triad of abdominal pain, ascites and hepatomegaly.Option 'a' requires some explanation here (read below).o Though, there is occlusion of hepatic vein in Budd - Chiari syndrome , it is not hepatic occlusive disease. o Hepatic venous outflow obstruction is divided into :-.1)Hepatic vein thrombosis and IVC thrombosis :- Budd- chiari syndromeii) Veno-occlusive disease (sinusoidal obstruction syndrome) :- It is a condition in which some of the small veins in the liver are blocked. It is a complication of high dose chemotherapy given before a bone marrow transplantation (BMT).", 'role': 'assistant'}]