PMC3350166_01
Endoscopic gastroduodenoscope showing gastric outlet obstruction with a very small opening in the antrum.
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fig1
The EGD also showed gastric outlet obstruction with a very small opening in the antrum (Figure 1).
Endoscopic gastroduodenoscope showing opening in prepyloric web after probing with the tip of the heater probe.
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fig2
After probing with the tip of the heater probe (Figure 2), we were able to pass through this opening and found that it was a prepyloric web.
After-dilation, the pyloric channel was now patent. Endoscopic gastroduodenoscope passed easily up to the second part of the duodenum.
CRIM.GM2011-957060.003.jpg
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fig3
Post-dilation, the pyloric channel was patent (Figure 3), and we were able to pass the EGD scope easily up to the second part of the duodenum.