Endoscopic biliary drainage.

Endoscopic drainage of the occluded biliary system through the papilla Vateri consists of two different methods, i.e. bilio- nasal and bilio-duodenal drainage. For bilio-nasal drainage a 250-cm- long preformed polyethylene tube is placed above the stenosis to provide the flow out of the congested bile duct. This external drainage is indicated to prevent the… CONTINUE READING