A 25-year-old unmarried man was referred because of 1-week history of mildly sore
throat, without association of systemic symptoms. He had an oral sex with a man 3
weeks before his presentation. His-past medical histories were unremarkable. Examination
showed a well-delimited plaque with central ulceration on the right retropharyngeal
wall, covered with white pseudomembranes and surrounded by erythema (Figure 1). No
other rashes were detected elsewhere. Laboratory tests for complete blood cell count,
erythrocyte sedimentation rate, biochemistry profiles, C-reactive protein, anti-nuclear
antibodies, auto-antibodies and HIV were either within normal limits or negative.
Serological tests for syphilis revealed positivity for tolulized red unheated serum
test (TRUST) and Treponema pallidum haemagglutination assay with titres of 1:32 and 1:5120, respectively. His-partner
was positive for syphilis.
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References
- Syphilis.Nat Rev Dis Primers. 2017; 3: 17073https://doi.org/10.1038/nrdp.2017.73
- Unusual presentation of primary syphilis as pharyngeal chancre: a case report.OTO Open. 2019; 3 (2473974×19841867)
- Primary syphilis of the oropharynx: an unusual location of a chancre.Int J STD AIDS. 2015; 26: 679-681https://doi.org/10.1177/0956462414551235
Article info
Publication history
Published online: December 24, 2022
Accepted:
December 20,
2022
Received:
November 14,
2022
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2022 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.
