| Theme |
Advancement in Diagnosis and Treatment for Duodenal Neoplasms |
| Title |
Indication, Techniques and Results of Endoscopic Ampullectomy |
| Author |
Natsuyo Yamamoto |
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo |
| Author |
Hiroyuki Isayama |
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo |
| Author |
Yousuke Nakai |
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo |
| Author |
Minoru Tada |
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo |
| Author |
Kazuhiko Koike |
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo |
| [ Summary ] |
Adenomas of the ampulla of Vater are relatively rare tumors in the small intestine. Ampullary adenomas seem to follow the adenoma to carcinoma sequence. This is one of the indications for resection. An indication for endoscopic treatment was a tumor which was limited to the sphincter of Oddi. Endoscopic ultrasonography (US) and intraductal US were reported to be useful for diagnosis. Endoscopic resection is normally performed with a polypectomy snare along with a side viewing scope. Prophylactic pancreatic stents are routinely inserted after resection. Complication rates were reported to be 10 to 20 %. Pancreatitis and bleeding were the most commonly seen complications. Treatment must be performed with cautious evaluation and informed consent. |