<prompt> Double bubble sign in children seen in AJE ?Ladds bandAnnular pancreasPancreatic pseudocystDiaphragmatic hernia  <response>: Ans. is d i.e., Diaphragmatic hernia o Obstruction of 2nd pa of duodenum cause double bubble sign on plain abdominal radiograph. o It may be due to - i Annular pancreas ii Pancreatic pseudocyst iii Ladds band iv Tumor in the head of the pancrease 