Syphilis immunoassay: Difference between revisions
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*Tests based on [[monoclonal antibodies]] and [[immunofluorescence]], including [[TPHA|treponema pallidum hemagglutination assay (TPHA)]] and [[Fluorescent treponemal antibody absorbtion (FTA-ABS) test|fluorescent treponemal antibody absorption (FTA-ABS)]] are more specific and more expensive.<ref name="pmid8801642">{{cite journal |author=Schmid GP |title=Serologic screening for syphilis. Rationale, cost, and realpolitik |journal=[[Sexually Transmitted Diseases]] |volume=23 |issue=1 |pages=45–50 |year=1996 |pmid=8801642 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0148-5717&volume=23&issue=1&spage=45 |accessdate=2012-02-16}}</ref><ref name="pmid9891668">{{cite journal |author=Young H |title=Syphilis. Serology |journal=[[Dermatologic Clinics]] |volume=16 |issue=4 |pages=691–8 |year=1998 |month=October |pmid=9891668 |doi= |url= |accessdate=2012-02-16}}</ref> | *Tests based on [[monoclonal antibodies]] and [[immunofluorescence]], including [[TPHA|treponema pallidum hemagglutination assay (TPHA)]] and [[Fluorescent treponemal antibody absorbtion (FTA-ABS) test|fluorescent treponemal antibody absorption (FTA-ABS)]] are more specific and more expensive.<ref name="pmid8801642">{{cite journal |author=Schmid GP |title=Serologic screening for syphilis. Rationale, cost, and realpolitik |journal=[[Sexually Transmitted Diseases]] |volume=23 |issue=1 |pages=45–50 |year=1996 |pmid=8801642 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0148-5717&volume=23&issue=1&spage=45 |accessdate=2012-02-16}}</ref><ref name="pmid9891668">{{cite journal |author=Young H |title=Syphilis. Serology |journal=[[Dermatologic Clinics]] |volume=16 |issue=4 |pages=691–8 |year=1998 |month=October |pmid=9891668 |doi= |url= |accessdate=2012-02-16}}</ref> | ||
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[[Category:Gynecology]] | [[Category:Gynecology]] | ||
Latest revision as of 18:54, 18 September 2017
- Tests based on monoclonal antibodies and immunofluorescence, including treponema pallidum hemagglutination assay (TPHA) and fluorescent treponemal antibody absorption (FTA-ABS) are more specific and more expensive.[1][2]
- Following positive non-treponemal tests, FTA-ABS is commonly used to confirm the diagnosis. Sensitivity ranges from 84% for detection of primary infection to approximately 100% for the diagnosis of other stages with a specificity of 96%.[3]
- Unfortunately, false positives can still occur in related treponomal infections such as yaws and pinta.
- Tests based on enzyme-linked immunoassays for immunoglobulin G (IgG) and immunoglobulin M (IgM) are also used to confirm the results of simpler screening tests for syphilis.
Resources
References
- ↑ Schmid GP (1996). "Serologic screening for syphilis. Rationale, cost, and realpolitik". Sexually Transmitted Diseases. 23 (1): 45–50. PMID 8801642. Retrieved 2012-02-16.
- ↑ Young H (1998). "Syphilis. Serology". Dermatologic Clinics. 16 (4): 691–8. PMID 9891668. Unknown parameter
|month=ignored (help);|access-date=requires|url=(help) - ↑ Golden MR, Marra CM, Holmes KK (2003). "Update on syphilis: resurgence of an old problem". JAMA : the Journal of the American Medical Association. 290 (11): 1510–4. doi:10.1001/jama.290.11.1510. PMID 13129993. Retrieved 2012-02-16. Unknown parameter
|month=ignored (help) - ↑ Workowski KA, Berman S (2010). "Sexually transmitted diseases treatment guidelines, 2010". MMWR. Recommendations and Reports : Morbidity and Mortality Weekly Report. Recommendations and Reports / Centers for Disease Control. 59 (RR-12): 1–110. PMID 21160459. Retrieved 2012-02-16. Unknown parameter
|month=ignored (help)