Stain used for demonstration of amyloid is______________?
Correct answer: A. Congo Red
- A. Congo Red
- B. Masson's toichrome
- C. Vonkosa
- D. Reticulin
Explanation
Congo red is the standard stain for amyloid and shows apple-green birefringence under polarized light. The other stains listed demonstrate connective tissue, calcium, or reticulin rather than amyloid.
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