This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Amyloidosis, Subject name: Pathology
Amyloid deposits stain with all of the following except: 
Select and explain. 
A. Congo-Red, B. Crystal Violet, C. Methenamine Silver, D. Thioflavin T
C: Methenamine Silver
Answer: C: Methenamine Silver 
Explanation: Microscopically amyloid deposits stain Pink with Hematoxylin-eosin stain Show metachromasia with Crystal violet Congo red stain (Most common) impas a unique apple green birefringence with stained tissue section,When viewed using polarizing microscope. Fluorescent dyes such as Thioflavin T are sensitive screening stains for amyloid deposits in brain FIG:- Black arrow showing pink red deposits of amyloid Red arrow showing yellow-green birefringence of the deposits when observed under polarizing microscope