This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Double Bubble sign is seen with 
Select and explain. 
A. Pyloric stenosis, B. Duodenal atresia, C. Ileal atresia, D. Esophageal atesia
B: Duodenal atresia
Answer: B: Duodenal atresia 
Explanation: It&;s a radiological sign described in cases of duodenal obstructive. A plain abdominal X-ray reveals 2 foci of gas, one in the stomach and other in the duodenum = a sign of duodenal atresia Reference bailey and love&;s edition 5 th page no.1195