| [ Summary ] |
Recently, an increasing number of patients with superficial non-ampullary duodenal epithelial tumor (SNADET) are asymptomatic. The 5-year survival rate of duodenal cancer is lower than that of stomach and colon cancer, and endoscopic mucosal resection (EMR) of SNADET is important from the viewpoint of early treatment of duodenal cancer. The indications for EMR to treat SNADET should be based on the possibility of R0 resection, qualitative diagnosis of the lesion, tumor diameter, gross type, presence or absence of fibrosis, and the patient's age. When performing EMR procedures, it is essential to clearly understand the characteristics of duodenal EMR such as submucosal injection, snaring, and treatment of the resected ulcer. EMR is a basic procedure used in the endoscopic treatment of SNADET including endoscopic submucosal dissection. |