Kengo Takimoto

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AIM Although the treatment of early gastric cancer with endoscopic submucosal dissection (ESD) has been widely carried out, a standardized method of sedation for ESD has not been established. The purpose of the present study was to evaluate the efficacy and safety of sedation with dexmedetomidine (DEX). METHODS We conducted a randomized study involving 90(More)
BACKGROUND AND AIM To verify the current status in Japan on endoscopic diagnosis of superficial non-ampullary duodenal epithelial tumors (SNADET) by a multicenter case series through a questionnaire survey. METHODS Nine endoscopists and a surgeon responded to a questionnaire on endoscopic diagnosis of SNADET. The subjects of this survey were(More)
We report here the case of a 63-year-old man who had a diffuse large B-cell lymphoma associated with hemophagocytic syndrome (HPS). The lymphoma involved the spleen, bilateral adrenal glands, and paraaortic lymph nodes of the abdomen. In both the bone marrow and lymph nodes, hemophagocytosis was evident, and the laboratory findings were consistent with HPS.(More)
In Japan, endoscopic submucosal dissection (ESD) is increasingly performed for gastrointestinal neoplasms. However, ESD has not been widely applied to duodenal neoplasms. Postoperative delayed perforation occurs frequently because of exposure of pancreatic juice to the duodenum [1]. Regarding the closure technique after ESD, the usefulness of clip closure(More)
Delayed perforation after duodenal endoscopic submucosal dissection (ESD) occurs at a high rate because the duodenal wall is very thin and the artificial ulcer after resection is exposed to bile and pancreatic juice. We investigated the application of the combination of a polyglycolic acid (PGA) sheet and fibrin glue. PGA sheets comprise materials widely(More)
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BACKGROUND AND STUDY AIMS Many medical institutions in Japan perform endoscopic mucosal dissection (ESD) to treat early gastric cancer. Perforations can occur during ESD, and clipping has been reported as useful for treating small pinhole perforations. However, it is often difficult to close postoperative perforations because they usually have large(More)