PMC5878845_01
Single bubble sign
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An abdominal X-ray showed a single bubble gastric air with no gas beyond (Figure 1).
Double bubble sign
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A second abdominal X-ray performed two days later showed a double bubble air without a distal aeration (Figure 2).
Per operatory view showing the gap between the stomach and the duodenum
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The laparotomy revelated a type C pyloric atresia with an important gap between the stomach and the duodenum (Figure 3).