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What is Most common cause of hematemesis in children is- and explain in detail?
Ans. is 'a' i.e., Extra hepatic portal vein obstruction * Variceal bleeding is the most common cause of gastrointestinal bleedIhematemesis in children.* Portal hypertension is the most common cause of esophageal variceal bleeding in children.* In children extrahepatic portal hypertension (non cirrhotic) is more common than the intrahepatic or cirrhotic portal hypertension."* Post sinusuoidal causes like Budd Chiari syndrome and veno occlusive disease are also observed but are less common.* Three most common causes of portal hypertension in children in India -i) Extrahepatic portal vein obstruction (most common)ii) Cirrhosisiii) Noncirrhotic portal fibrosis