Course 01 Fundamentals of laparoscopic biliary surgery
Access and port placement, exposure, the anatomy of the hepatocystic triangle, and what must be seen before anything is divided.
Explore courseOnline tuition in biliary surgery
Learn the difficult gallbladder from the surgeon who graded it.
Operative video, indexed by difficulty grade and teaching point, from a thirty-year series of laparoscopic cholecystectomy and bile duct exploration. Every case is a real operation, chaptered so you can go straight to the step you need.
Learn from the operationTechnique, anatomy and the decisions between them
I–VNassar difficulty grading scale
52,000+Patients graded in the GECKO study
190+Invited international lectures
2003EAES course directorship since
Six courses, built around the operation
All courses →Each course is a sequence of operative video, commentary and decision points. Start anywhere; the library is cross-linked so a chapter in one course opens the relevant case in another.
Course 01 
Course 02 The difficult laparoscopic cholecystectomy
Grades III to V. Dense adhesions, the contracted gallbladder, Mirizzi, cholecystoenteric fistula, subtotal cholecystectomy and the decision to stop.
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Course 03 Laparoscopic bile duct exploration
Patient selection, equipment, the transcystic route, choledochoscopy, difficult and multiple stones, and the retained stone.
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Course 04 Transcystic exploration
Guidewire, basket and balloon-in-cystic technique, with the duct anatomy that decides between them.
Explore course Course 05 Choledochotomy
Opening the duct, clearing it, and closing it primarily or over a drain.
Explore course Course 06 Complications and their management
Bile duct injury, cystic artery bleeding, duct perforation, retained stones, bile leak and the postoperative course.
Explore courseVideo library
Indexed, not uploaded
Every operation carries its difficulty grade, procedure, duration and a chapter list with timestamps. You search for the step, not the file name.
The library outline is available to explore. Operative playback will be available when membership opens.
Find an operation → 28:05 27:30 22:10 07:55 Interactive cases
Decide first, then watch what happened
A short clinical vignette, four plausible options, and your answer unlocks the reasoning behind the decision. The reasoning matters more than the score.
Try Case 27Case 27 · Grade IV
Difficult cholecystectomy, previous ERCP
- Patient
- 72, acute cholecystitis
- Previous ERCP
- Six weeks ago
- Common bile duct
- 9 mm
- At laparoscopy
- Frozen triangle
Faculty
Ahmad H M Nassar
Visiting Consultant Surgeon, Golden Jubilee National Hospital, Glasgow. Honorary Senior Clinical Lecturer, University of Glasgow.
Director of the EAES laparoscopic bile duct exploration and choledochoscopy course at the annual congress since 2003.
Experience, research and teaching →From routine to difficult
CholecystectomyOperative cholangiographyBile duct explorationComplications
On-site teaching
Bring the course to your department
Departments can host a course in their own theatres, with their own equipment and their own selected cases, through the MyCourse programme.
Explore MyCourseConsent, privacy and controlled access
Library standards →The standards for the forthcoming operative video library.
Anonymised at source
No patient identifiers should appear in any frame, title, cholangiogram or chapter note.
Consent documented
Educational-use consent must be recorded for every operation before it enters the library.
Domain-restricted playback
Operative video is intended to play only when embedded on this site, with downloads disabled.
Access can be revoked
Membership is intended to control who sees the operative footage, with access ending when it lapses.