Bismuth and Corlette developed an anatomic classification scheme for hilar cholangiocarcinoma in 1975 that has undergone subsequent modifications. The original authors are from Hopital Paul Brousse in Villejuif, France.
Perihilar bile ducts:
(1) left
(2) right
(3) confluence
(4) common hepatic duct (to entrance of common bile duct)
(5) proximal common bile duct (after entrance of common bile duct)
common duct below confluence |
confluence of ducts |
left hepatic bile duct |
right hepatic bile duct |
Type |
present |
absent |
absent |
absent |
Type I |
present or absent |
present |
absent |
absent |
Type II |
present or absent |
present |
present |
absent |
Type IIIA |
present or absent |
present |
absent |
present |
Type IIIB |
present or absent |
present |
present |
present |
Type IV |
present |
absent |
present |
present |
Type IV |
where:
• The original scheme did not have a Type IV.
• The original Type III was not separated into subtypes (A or B).
Specialty: Hematology Oncology, Surgery, general, Gastroenterology
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