الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Laparoscopic cholecystectomy has become the standard treatment for patients with symptomatic cholecystolithiasis. Overall, over 90% of cholecystectomies are now done using the minimally invasive approach.
Many factors have been incriminated in the occurrence of bile duct injuries during laparoscopic cholecystectomy. These are mainly anatomical misidentification, surgeon’s experience and/or poor visualization of the operative field.
The technique by which, the methylene blue is injected into the lumen of gall bladder to delineate the cystic duct and common bile duct, is feasible, safe, and easy to perform, without any radiation exposure, without using special equipments and/or less time consuming than any other maneuvers used to visualize the biliary tree during laparoscopic cholecystectomy.
The study was conducted on 60 patients with calcular cholecystitis underwent elective laparoscopic cholecystectomy to evaluate the role of intracholecystic injection of methylene blue regarding safety, effectiveness, feasibility and better visualization of biliary tree during laparoscopic cholecystectomy. By this technique, biliary tract injury during laparoscopic cholecystectomy -caused by visual perceptual illusion- can be reduced by feasible, cheap and easy maneuver.