The patient was a 69-year-old man who diagnosed as having diabetes mellitus. He was referred to our hospital complaining of bloody stool. The result of laboratory studies and blood gas analysis showed states of diabetic ketosis. Gastrointestinal endoscopy showed a Trench ulcer at the lesser curvature of the gastric upper body. Three days after the endoscopy, he was admitted with bloody stool again.
As the emergency gastrointestinal endoscopy demonstrated that the breeding and parforated ulcer at the lesser curvature of the gastric body, an emergency surgical operation was performed.
In some cases, the trench ulcer present with severe ulcer. Although gastrointestinal endoscopic diagnosis proved useful in this case, a careful manipulation of endoscopy in case of the risk for perforation was required.