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淀粉样变性心肌刚果红染色

淀粉样变性心肌经刚果红染色。淀粉样物质经染色后应为橙红色,但是在偏振光下,淀粉样物质如图所示为“苹果绿”双折射

A Congo red stain has been performed on the myocardium in a case of amyloidosis. The amyloid stains orange-red, but with polarized light, the amyloid has an "apple-green" birefringence as seen here.


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