This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastro Intestinal System, Subject name: Pediatrics
A 12-year-old boy presents with hematemesis, melaena and mild splenomegaly. There is no obvious jaundice or ascites. The most likely diagnosis is: 
Select and explain. 
A. EHPVO, B. NCPF, C. Cirrhosis, D. Malaria with DIC
A: EHPVO
Answer: A: EHPVO 
Explanation: A. EHPVO(Ref: Nelson's 20/e p 1972)The given history is suggestive of portal hypertensionExtrahepatic portal vein obstruction is an important cause of portal hypertension in childhood.The obstruction can occur at any level of the portal vein.