Classification of iatrogenic bile duct injury[1-3]
Classification of iatrogenic bile duct injury[1-3]
Strasberg classification:
Type A - Injury to the cystic duct or from minor hepatic ducts draining the liver bed.
Type B - Occlusion of biliary tree, commonly aberrant right hepatic duct(s).
Type C - Transection without ligation of aberrant right hepatic duct(s).
Type D - Lateral injury to a major bile duct.
Type E (1-5) - Injury to the main hepatic duct; classified according to level of injury (ie, below).
E1 (Bismuth type 1) - Injury more than 2 cm from confluence
E2 (Bismuth type 2) - Injury less than 2 cm from confluence
E3 (Bismuth type 3) - Injury at the confluence; confluence intact
E4 (Bismuth type 4) - Destruction of the biliary confluence
E5 (Bismuth type 5) - Injury to aberrant right hepatic duct
References:
Strasberg, SM, Hertl, M, Soper, NJ. An analysis of the problem of biliary injury during laparoscopic cholecystectomy. J Am Coll Surg 1995; 180:101.
Bismuth, H, Lazorthes, F. Les traumatismes operatoires de la voie biliare principale. Paris, France: Masson, 1981.
Chartrand-Lefebvre, C, Dufresne, M-P, Lafortune, M, et al. Iatrogenic injury to the bile duct: A working classification for radiologists. Radiology 1994; 193:523.
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