"Double bubble sign" seen in
High-Yield Explanation
(Annular pancreas) (1120, 1198-LB) (1137-B & L 25th)Annular pancreas - in which a ring of pancreatic tissue from the head of the pancreas surrounds the descending duodenum X-ray shows a dilated stomach and proximal duodenum (double bubble sign) and little or no air in the rest of the small bowel.Congenital duodenal obstruction - causes of duodenal obstruction are atresia, mucosal web, annular pancreas, preduodenal portal vein and peritoneal bands {Ladd's bands) from malrotations - shows - "double bubble sign" (1316-CSDT 11th)