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What is A newborn had a bilious vomiting after 6 hours of bih. X-ray of the abdomen shows double bubble sign. This is a feature of: and explain in detail?
Duodenal atresia is due to failure of recanalization of the duodenal lumen during weeks 3-7 of embryologic development. Newborn will have bilious vomiting in the first 24 hours of life. "Double-bubble" sign and absence of gas distal to the duodenum can be seen on plain films. Ref: Wyatt C., Moos P.J., Brown T.G. (2008). Chapter 14. Gastrointestinal Pathology. In C. Wyatt, P.J. Moos, T.G. Brown (Eds), Pathology: The Big Picture.