Double bubble sign Duodenal atresia in 30 wks fetus Diagnostic ultrasound cases

Описание к видео Double bubble sign Duodenal atresia in 30 wks fetus Diagnostic ultrasound cases

The classic finding on ultrasound is the “double bubble sign” which is due to dilated proximal duodenum and stomach associated with lack of bowel gas in the distal intestine.

The incidence of duodenal atresia is 1/5000 – 1/10,000 live births
Polyhydramnios is present in 80% of cases of duodenal atresia
Trisomy 21 / Down syndrome is present in 25-40% of cases
Duodenal atresia can be associated with other congenital anomalies including:
VATER (vertebral defects, anal anomalies, esophageal atresia and renal anomalies)
Malrotation
Annular pancreas
Biliary tract anomalies.

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