Radiological interventions for malignant biliary obstruction

Most of patients with malignant biliary obstructions are in an inoperable condition because they have an andvanced stage tumor. Therefore, palliative treatments for resolving jaundice withor without cholangitis are essential in these patients to improve survival length and quality. Percutaneous transhepativ biliary drainage (PTBD) may be indicated as a decompression procedure for patients with inoperable condition, when an endoscopic procedure has failed, or is not indicated. Expandable metallic stents may be indicated for patients with biliary obstruction caused by an unresectable or inoperable malignant diseas…