PMC3999580_01
CT scan of the abdomen showing a duodenal giant mass spreading from the bulb to the horizontal part of the duodenum (arrows).
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F1
Computed tomography (CT) of the abdomen revealed a duodenal giant mass spreading from the bulb to the horizontal part of the duodenum (fig. 1).
a Upper gastrointestinal radiography with Gastrografin revealed smooth taper shape of the duodenum. b A villous tumor was observed in the duodenal bulb endoscopically, but the pyloric ring was not confirmable.
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F2
No tumor was clearly detected (fig. 2a). A villous tumor was observed in the duodenal bulb endoscopically, but the pyloric ring was not confirmable (fig. 2b).
Gastroduodenal intussusception as found at operation.
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F3
About one third of the stomach was invaginated through the pylorus into the duodenum (fig. 3).