Cholangioscopy • Allows direct and optical contrast based (NBI) visualization of the biliary tree • Particularly useful for assessing strictures and treating large stones and confirming their complete removal • Role in assessing post-OLT biliary strictures??? • Can perform biopsies, laser or electrohydraulic lithotripsy, and even ablation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Cholangioscopy
• Allows direct and optical contrast based (NBI) visualization of the biliary tree
• Particularly useful for assessing strictures and treating large stones and confirming their complete removal
• Role in assessing post-OLT biliary strictures???
• Can perform biopsies, laser or electrohydraulic lithotripsy, and even ablation
Cholangioscopy
• First done in 1974 (percutaneously)
• Mother-daughter scope – Fiber Optic (1976)– Video
• Probe based cholangioscopy (2005)
• Direct endoscope based cholangioscopy (1977)
Comparison of Cholangioscopy Options
Fiber Optic Baby Scope
Electronic Video Baby
Scope
Spyglass Probe
System
Ultraslim “Per oral” Electronic
Gastroscope
Number of operators
2 2 1 1
Tip Deflection 2-way (U-D) 2-way(U-D) 4-way(U-D, L-R)