Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Hepatic Cirrhosis Showing False-Positive Serum C-Reactive Protein Reaction
Megumi SATOMotonobu SUGIMOTOShunji NANBANoriko KASATORITsutomu URAYAMA
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1993 Volume 32 Issue 6 Pages 498-501

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Abstract

A 58-year-old male who had been diagnosed as hepatic cirrhosis four years previously was admitted to our hospital because his serum C-reactive protein (CRP) level had gradually risen, reaching 139 mg/dl. No inflammation findings were observed subjectively or objectively. Close examination revealed his CRP reaction to be false positive. His serum CRP showed positive only in a latex agglutination method using goat anti-CRP IgG. This false-positive reaction was thought to be owing to the abnormally glycosylated IgM, which has an affinity for the goat serum IgG.
(Internal Medicine 32: 498-501, 1993)

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