<prompt> A 12-year-old boy presents with hematemesis, melaena and mild splenomegaly. There is no obvious jaundice or ascites. The most likely diagnosis is:EHPVONCPFCirrhosisMalaria with DIC  <response>: A. EHPVORef: Nelsons 20e p 1972The 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. 