Abstract
A rare complication of percutaneous endoscopic gastrostomy (PEG) is gastrocolocutaneous fistula which usually occurs after replacement of the PEG tube. As tube feeding is directly delivered to the transverse colon, patients typically present with a sudden onset of transient diarrhea within minutes after PEG tube feeding. A radiographic study using water-soluble contrast material via the PEG tube shows the tip of the tube in the transverse colon. We present here a patient who had this complication after PEG insertion. A PEG tube for enteral feeding was placed in a 27-year-old man with cerebral plasty and a severe scoliosis. After replacement of the PEG tube, he developed diarrhea after each PEG tube feeding. The diagnosis of gastrocolocutaneous fistula was made after injection of gastrografin from the PEG tube. Another gastrostomy tube was placed surgically and the fistula was then also excised. In conclusion, gastrocolocutaneous fistula must be considered as a complication of PEG tube placement when patients with a PEG tube develop a sudden onset of transient diarrhea immediately after PEG tube feeding.
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