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Radiology.Academy.Sk

Congenital duodenal obstruction

Duodenal Atresia:

most common, bilious vomiting in first days, double bubble, polyhydramnios, assoc. w/ Down S, malrotation, cong.heart disease. Gasless abdomen unless fistula - esophageal atresia, DA, tracheoesophageal fistula

Duodenal Stenosis:

goes w/ DA, some distal gas

Duodenal web:

membrane w/ small opening, can see some distal gas, wind-sock, duodenal dimple at the insertion of membrane to the wall

Annular pancreas:

distal gas

Pre-duodenal portal vein: