fluorescent treponemal antibody absorption

fluorescent treponemal antibody absorption

FTA-ABS A highly sensitive–±100% and sensitive–96+% serologic test for diagnosing congenital, secondary, tertiary syphilis and neurosyphilis, which is used when the RPR screening test is positive. See Biological false positive, RPR test, VDRL test.
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Diagnosis is confirmed with specific treponemal testing, such as with a fluorescent treponemal antibody absorption assay or the T pallidum particle agglutination test.
Abbreviations: CIA, chemiluminescence immunoassay; EIA, enzyme immunoassay; FTA-Abs, fluorescent treponemal antibody absorption test; RPR, rapid plasma reagin assay; TP-PA, Treponema pallidum particle agglutination assay.
He tested positive for HIV using serum enzyme linked immunosorbent assay (ELISA), rapid plasma reagin was 1:128 (reference range, nonreactive), fluorescent treponemal antibody absorption test was reactive (reference range, nonreactive) and neurosyphilis was ruled out with negative spinal fluid studies.
The Venereal Disease Research Laboratory test result was positive (titer [greater than or equal to]640), and a fluorescent treponemal antibody absorption test result was strongly reactive.
Laboratory tests revealed that his erythrocyte sedimentation rate (ESR), antinuclear antibody (ANA) level, rheumatoid factor (RF) value, and fluorescent treponemal antibody absorption (FTA-ABS) titers were within normal limits.
These tests represent advances over the tests used now, the rapid plasma reagin and fluorescent treponemal antibody absorption tests, observed Penelope Hitchcock, D.
In this case, clinical suspicion for syphilis was high; therefore, serologic testing (rapid plasma reagin [RPR] and fluorescent treponemal antibody absorption [FTAABS]) was ordered at his initial visit.
I checked an online reference and found that the fluorescent treponemal antibody absorption (FTA-ABS) test is highly sensitive and would be sufficient to rule out syphilis.
pallidum-specific IgM by using fluorescent treponemal antibody absorption or IgM capture ELISA from immediately after birth to 15 days old.
Lumbar puncture was performed and cerebrospinal fluid analysis revealed that his glucose level (62 mg/dl), protein level (35 mg/dl), and cell count were normal and that his fluorescent treponemal antibody absorption (FTA-ABS) and Venereal Disease Research Laboratory (VDRL) assays were nonreactive.
Treponemal tests include the fluorescent treponemal antibody absorption (FTA-Abs) test, the Serodia TP particle agglutination (TP-PA) test (Fujirebio America Inc.
Infection is confirmed with specific treponemal tests, including the fluorescent treponemal antibody absorption (FTA-abs), treponemal enzyme immunoassay, and treponemal particle agglutination tests.

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