Fig. 1From: Unusual clinical manifestation and challenging serological interpretation of syphilis: insights from a case reporta) Results of the Treponema pallidum hemagglutination assay (TPHA) from the first to the most recent syphilis episode. b) Results of the treponemal serological tests for IgG and IgM, as well as for the Rapid Plasma Reagin (RPR) during the entire clinical history since the first syphilis diagnosis. The single episodes are highlightedBack to article page