[The development of the endoscopic treatment].

With development and improvement of the endoscope equipment, the role of the digestive system endoscope is developing to the application from the pickup of mere lesion to precise diagnosis and endoscopic treatment. The range of the digestive system endoscopic treatment tends to also expand year by year. From the viewpoint of the medicine side, the update of the digestive system endoscope is reported this time. Digestive system endoscopic treatment can be divided roughly into the digestive tract region and the bile pancreas region. There are foreign body extraction, hemostasis methods(peptic ulcer, esophageal varix), excision for the tumor, dilatation methods for the stenosis, etc. as endoscopic treatment in the digestive tract region. In the bile pancreas region, there are endoscopic sphincterotomy, calculus removal of bile duct and ductus pancreaticus, drainage, dilatation methods for the stenosis, etc. The endoscopic treatment develops more and more on both regions with development of together various equipment and improvement in the technique. The invasion to the patient is less than the surgery for the endoscopic treatment, and it is possible to position with the therapy that it retained the function of the organ and was excellent concerning the QOL. It is anticipated with that the effort with the aim of further low invasion will advance in future too.