A newborn baby was brought with the history multiple episodes of bilious projectile vomiting. X-ray abdomen was done. What is the diagnosis?: (A) Duodenal atresia, (B) Jejunal atresia, (C) Ileal atresia, (D) Hyperophic pyloric stenosis
Answer is B. Single bubble appearance: Hyperophic pyloric stenosis Double bubble appearance: Duodenal atresia & annular pancreas Triple bubble appearance: Jejunal atresia