A newborn has bilious vomiting and a double-bubble sign on X-ray. What condition is most likely?

Answer and explanation

Correct answer: D. Duodenal atresia

  1. Step 1: Failure of recanalization produces duodenal atresia. Answer: Duodenal atresia. Why not the others: Hypertrophic pyloric stenosis, Esophageal atresia and Hirschsprung disease don't fit.

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