A replaced common hepatic artery during pancreaticoduodenectomy is a challenging condition. Prevalence in the general population is 1.8%.
A 6-type anatomic classification system introduced by Huang was adopted. The type II setting with the replaced common hepatic artery running on the ventral side of the pancreas is extraordinarily rare.
Preservation of the replaced common hepatic artery during pancreaticoduodenectomy is recommended in all cases where it is possible.