CASE 64

History: A 53-year-old man who had recently undergone cholecystectomy; operative cholangiogram found abnormal bile ducts.

1. Which of the following should be included in the differential diagnosis of the imaging finding shown in the figure? (Choose all that apply.)

A. Mirizzi’s syndrome

B. Cholangiocarcinoma

C. Primary biliary cirrhosis

D. Primary sclerosing cholangitis

E. Recurrent biliary tract infection

2. What is the most common disease associated with sclerosing cholangitis?

A. Retroperitoneal fibrosis

B. Mediastinal fibrosis

C. Crohn’s disease

D. Ulcerative colitis

3. What is the most common cause of recurrent biliary tract infection worldwide?

A. AIDS

B. Bacterial cholangitis

C. Clonorchis sinensis

D. Ascaris lumbricoides

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