Diagnosis of Caroli disease by computed tomography: report of two cases.

Two patients are discussed in whom Caroli diseases was diagnosed with the aid of computed tomography (CT). One patient had the pure form of the disease, characterized primarily by saccular dilatation of the intrahepatic bile ducts and clinically manifesting as recurrent cholangitis. The second patient had a form ccharacterized primarily by hepatic fibrosis and clinically manifesting as portal hypertension. These are the first patients studied with CT to be reported to the authors' knowledge; CT is recommended as the optimal noninvasive method to evaluate such patients.