Quantitation of fibrosis in liver biopsies.
After 15 years of subjectively estimating the degree of fibrosis in liver biopsies stained with Sirius red F3BA, the amounts of Sirius red-stained fibrotic areas were quantitated with the help of a Cortex IQ 130 image quantifier. The percentage of Sirius red-stained areas was lowest in normal livers, increasing significantly in fatty livers, with stepwise higher values in chronic persistent hepatitis, toxic damage, chronic active hepatitis, fatty livers with obvious fibrosis, biliary cirrhosis and portal cirrhosis. Cases of portal cirrhosis had tenfold higher values than did normal livers. The results indicate that Sirius red is a reliable histochemical stain that can be used to quantitatively demonstrate the various degrees of fibrosis in liver biopsies.
Rubio
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Department of Pathology, Karolinska Sjukhuset, Stockholm, Sweden.
Porwit
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D001706:Biopsy; D006801:Humans; D008103:Liver Cirrhosis / Q000473:pathology*; D014741:Video Recording