<prompt> A child is brought by mother with HO massive hemetemesis with HO drug intake previously with NSAIDS and on Rx. Associated with moderate splenomegaly diagnosis isOesophageal varicesDuodenal ulcerDrug induced gastritisPeptic ulcer  <response>: Causes of portal hypertensionPre sinusoidalExtrahepatic most commoon :portal veinsplenic vein thrombosis,splenic AV fistula,massive splenomegaly.Intrahepatic: sarcoidosis, schistosomiasis, congenital hepatic fibrosis, myeloproliferative disorders, nodular degenerative hyperplasia, idiopathic portal fibrosis.SinusoidalCirrhosis due to any cause.Post sinusoidalBudd chiari syndrome,right heart failure,constrictive pericarditis,web in inferior venacava. 