Duodenal Atresia

  • Etiology: congenital
  • AXR: large air fluid levels in stomach and duodenal bulb with no distal bowel gas (double bubble sign)
  • Clinical: can be associated with esophageal atresia

Cases of Duodenal Atresia

AXR of duodenal atresia
Supine (left) and upright (right) AXR shows large air fluid levels in the duodenal bulb (to the right of the spine) and in the stomach (to the left of the spine). There is no distal bowel gas.
CXR | AXR shows a nasogastric tube in the proximal esophagus and a massively distended abdomen. Transverse US image of the upper abdomen (below) shows a dilated duodenal bulb (left) and a dilated stomach (right), a double-bubble sign.