Objective: The purpose of this article is to review imaging workup of perihilar cholangiocarcinoma, including MDCT and MRI protocols, imaging findings, differential diagnosis, and staging. A reporting template is included.
Conclusion: Imaging plays a central role in the detection, differential diagnosis, and staging of perihilar cholangiocarcinoma.
Keywords: CT; Klatskin tumor; MRI; cholangiocarcinoma; diagnosis; imaging; staging.