This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Vanishing bile duct syndrome is seen in - 
Select and explain. 
A. Chronic viral hepatitis, B. Sarcoidosis, C. Lymphoma, D. Non-cirrhotic portal fibrosis
B: Sarcoidosis
Answer: B: Sarcoidosis 
Explanation: The vanishing bile duct syndrome and adult bile ductopenia are rare conditions in which there are a decreased numbers of bile ducts seen in liver biopsy specimens.

Causes of vanishing bile duct syndrome.

Chronic rejection after liver transplantation
Graft-versus-host disease after BM transplantation
Sarcoidosis
Drugs like Chlorpromazine
Idiopathic