What question did this study set out to answer?

The research aims to highlight the imaging characteristics of cholangiocarcinoma and its mimickers on CT and MRI.

April 4, 2026Roentgen Ray Review0 citations

CT and MRI Manifestations and Mimics of Cholangiocarcinoma

HMHavisha MunjalSouthwestern Medical Center NANatalia Cabrera AlmonteSouthwestern Medical Center MHMaria El HomsiMemorial Sloan Kettering Cancer Center

Key Points

The research aims to highlight the imaging characteristics of cholangiocarcinoma and its mimickers on CT and MRI.
Overview of CT and MRI imaging features of cholangiocarcinoma
Identification of inflammatory conditions and neoplasms that mimic cholangiocarcinoma
Review of imaging characteristics to facilitate accurate diagnosis
Cholangiocarcinoma demonstrates distinct imaging features on CT and MRI
Several inflammatory conditions and neoplasms can mimic cholangiocarcinoma
Imaging plays a crucial role in confirming diagnosis and assessing disease burden

Abstract

Cholangiocarcinoma (CCA) is the second most common primary hepatobiliary malignancy after hepatocellular carcinoma. Imaging plays a vital role in CCA diagnosis and staging. Initial evaluation typically includes imaging with CT or ultrasound, with MRI/MRCP providing additional utility in confirming diagnosis, evaluating disease burden, and excluding mimics of disease. This Pictorial Essay provides an overview of the CT and MRI manifestations of typical CCA presentations. Additionally, the key imaging features of entities that can mimic CCA on CT and MRI, including inflammatory conditions and neoplasms, are reviewed.

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