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Congo Red - Example of pathological findingsLast updated on Monday, April 20 2009 by gliageek   
 |   |  | Congo Red stain of a temporal artery biopsy form a patient with amyloid angiopathy. Although biopsied to exclude a diagnosis of temporal arteritis, subsequent evaluation revealed a monoclonal gammopathy and multiple myeloma. | 
 
 
 Related images: |  | Congo Red (polarized) - Example of pathological findings Congo Red stain of a temporal artery biopsy form a patient with amyloid angiopathy, viewed through a pair of polarizing filters.  The bright green is the apple green birefringence that is characteristic of amyloid.
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