This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
40 yr old male presented with cirrhosis. Special stain used here is 
Select and explain. 
A. Alcian blue, B. Perls Prussian blue, C. Masson Fontana, D. Von kossa
B: Perls Prussian blue
Answer: B: Perls Prussian blue 
Explanation: .