Presentation
Repetitive vomiting and abdominal distention
Patient Data
Age: 4 months
Gender: Male
From the case:
Congenital duodenal web: windsock sign

Barium filled sac like appearance that lies entirely within the duodenum. A small amount of barium passes into the distal duodenum and proximal jejunum.
Case Discussion
The findings are consistent with the duodenal windsock sign in a patient with a congenital duodenal web.