Syphilis serology interpretation can be challenging even for experienced providers. This article reviews the staging of syphilis and the principles of syphilis serology testing, the algorithms used in diagnosis, and guidance for their use in monitoring the response to treatment. The authors illustrate these principles through a series of clinical scenarios and describe the rationale behind the management approaches.
Keywords: Serology; Sexually transmitted infection; Syphilis; Treponemal testing.
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