Pediatric Radiology > Abdominal > Neonatal > Duodenal Atresia (2)

Duodenal Atresia - Radiographic Features

The most prominent feature is the "double bubble" sign (dilated stomach and duodenal bulb) -- dilated stomach and no gas distal to the proximal duodenum. Stated another way, there is no gas in the rest of the small or large bowel.

Stomach and duodenal bulb Dilated stomach

double bubble sign

double bubble sign

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