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Pathology Amyloidosis 726e4762

Amyloid deposits stain with all of the following except:

A
Congo-Red
B
Crystal Violet
C
Methenamine Silver
D
Thioflavin T
High-Yield 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

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