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Cholangiocarcinoma in Association With Caroli's Disease

The Role of Ultrasound and Other Imaging Modalities

Department of Radiology, University of the West Indies, Uriah Butler Highway, Champs Flours, Mt. Hope, Trinidad.

Omar Khan, MD, PhD

Alan Thomas, MBBS

Rene Naipaul, RDMS

Department of Radiology, University of the West Indies, Mt. Hope, Trinidad.

Caroli's disease is a rare congenital disorder characterized by focal or diffuse dilatation of the intrahepatic bile ducts. If asymptomatic, this condition may remain undetected for several years. We present a case of focal Caroli's disease, first suspected on sonography, with a coexisting bile duct carcinoma. Both computed tomography (CT) imaging and percutaneous transhepatic cholangiography (PTC) supported a diagnosis of Caroli's disease but did not detect the presence of an associated mass, which was histologically proved to be a bile duct carcinoma. The advantages and disadvantages of different modalities in evaluating Caroli's disease are discussed.

Key Words: Caroli's disease • ultrasound • CT • percutaneous transhepatic cholangiography (PTC)

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