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Questions and Answers
What is the characteristic staining property of amyloid when iodine and dilute sulfuric acid are added?
What is the characteristic staining property of amyloid when iodine and dilute sulfuric acid are added?
Under light microscopy with H&E staining, how does amyloid appear?
Under light microscopy with H&E staining, how does amyloid appear?
What color does amyloid stain with Congo red staining?
What color does amyloid stain with Congo red staining?
What color does amyloid show under polarising microscopy when stained with Congo red?
What color does amyloid show under polarising microscopy when stained with Congo red?
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How is the nomenclature of different forms of amyloid done?
How is the nomenclature of different forms of amyloid done?
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Study Notes
Amyloid Characteristics
- Amyloid exhibits a characteristic staining property when iodine and dilute sulfuric acid are added.
- Under light microscopy with H&E staining, amyloid appears as an amorphous, eosinophilic material.
- Amyloid stains positive with Congo red, appearing red or pinkish in color.
- When viewed under polarizing microscopy with Congo red staining, amyloid shows an apple-green birefringence.
- The nomenclature of different forms of amyloid is done by appending the abbreviation "A" to the name of the fibril protein, for example, AL (amyloid light chain) or AA (amyloid A).
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Description
Test your knowledge of amyloidosis with this quiz! Explore the characteristics, diagnosis, and treatment of this group of diseases characterized by the deposition of amyloid.
