2021 Volume 35 Issue 1 Pages 118-124
Endoscopic sphincterotomy (EST) is the most established endoscopic treatment in terms of usefulness and safety, about 50 years after its development. However, since it is an area where adverse events (AE) occur frequently in gastrointestinal endoscopic treatment, it is necessary to master the procedure and acquire countermeasures for AE. In this article, I explained the basic techniques and tips of EST.