However, the deposition in the myocardium, where amyloid infiltration disrupts calcium transport, receptor modulation, and cellular metabolism, causes restrictive cardiomyopathy and heart failure ...

He had carpal tunnel surgery 2 years prior, in which pathology revealed amyloid. Laboratory studies at our institution were as follows: hemoglobin, 13.5 g/dL (normal, 13.5–17.5 g/dL); normal ...

The diagnosis of amyloidosis requires a tissue biopsy that demonstrates apple-green birefringence when stained with Congo Red and viewed with a polarizing microscope. Sulfate Alcian Blue is an ...