Beaded fluorescence pattern of FTA-ABS test associated with malignancy.
A beaded pattern of immunofluorescence (IF) occasionally occurs in routine FTA-ABS testing. This phenomenon strongly correlates with false-positive reactions in patients with SLE. We report on this IF finding in association with carcinoma of the colon.
D000230:Adenocarcinoma / Q000175:diagnosis; D000907:Antibodies, Bacterial; D005189:False Positive Reactions; D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000276:immunology*; D013588:Syphilis Serodiagnosis; D014210:Treponema pallidum / Q000276:immunology
D000907:Antibodies, Bacterial