what exactly is the difference? Why is pyloric stenosis non-bilious but duodenal atresia bilious? Where does it exactly occur that's making the difference?
what exactly is the difference? Why is pyloric stenosis non-bilious but duodenal atresia bilious? Where does it exactly occur that's making the difference?
Bile duct drains into second part of duodenum via ampulla of Vater. So, obstruction proximal to 2nd part of duodenum will have non-bilious vomiting and obstruction distal to it will have bilious vomiting.
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