Strasberg et al classified injuries to the biliary tree secondary to laparoscopic cholecystectomy. The authors are from Washington University in St. Louis.
Injury Pattern
Type
bile leak from a minor duct that communicates with the common bile duct
A
occlusion to a part of the biliary tree (often an aberrant right hepatic duct)
B
bile leak from a duct that does not communicate with common bile duct
C
bile leak from lateral injury (nick, etc) to the common bile duct (or other major extrahepatic bile duct)
D
stricture, Bismuth Type 1
E1
stricture, Bismuth Type 2
E2
stricture, Bismuth Type 3
E3
stricture, Busmuth Type 4
E4
stricture, Bismuth Type 5
E5
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