Syphilis dark field microscopy
- Dark field microscopy may be performed in cases wherein serologic tests do not correspond with clinical findings suggestive of early syphilis.
- It may also be helpful in the evaluation of cutaneous lesions such as chancre or condylomata lata.
- Direct fluorescent antibody (DFA-TP) assay of fixed smears may be indicated if dark field microscopy is not available.
- Dark field microscopy and DFA-TP assay have a specificity rate of 85-92%
Resources
References
- ↑ 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
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