Items for "false positive reactions"

Rheumatoid factor interference in the determination of carbohydrate antigen 19-9 (CA 19-9)

Background: Investigation of a 61-year-old Caucasian male suffering from fatigue and weight loss led to the finding of a carbohydrate antigen 19-9 (CA 19-9) concentration of 80 kU/L using an ADVIA Centaur analyser...

Keywords: antibodies, artifacts, CA-19-9 antigen, diagnostic errors, false positive reactions, heterophile, rheumatoid factor