[Current status of the use of the endoscopic cholangiography technique].

The endoscopic retrograde cholangiopancreatography as a diagnostic technique employed to obtain an accurate radiological study of the biliary path, and the biliary duct-pancreatic-duodenal junction. However, during the initial diagnostic studies, both echography and nuclear magnetic resonance have taken a priority. Currently, their importance is as a preliminary diagnostic method during endoscopic intervention.