To check the placement and condition of a biliary stent, doctors typically use a variety of imaging tests to ensure the stent is functioning properly and to detect any potential issues such as blockage, migration, or infection. Here are the most commonly used imaging techniques:1. X-ray (Fluoroscopy

Yes, a covered biliary stent can become blocked (occluded), though it is less likely to get clogged compared to uncovered stents. However, blockage still remains a potential risk, and it can happen for various reasons:Reasons for Blockage:Bile Sludge or Stones:Bile, which is supposed to flow freely