Oral and genital HPV genotypic concordance between sexual partners
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- Beder Ribeiro, C.M., Ferrer, I., Santos de Farias, A.B. et al. Clin Oral Invest (2014) 18: 261. doi:10.1007/s00784-013-0959-6
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The aim of this study was to verify human papillomavirus (HPV) transmission and genotype concordance among heterosexual couples.
Materials and methods
Thirty-one married couples were evaluated. All male subjects presented with clinically diagnosed HPV-related malignant or potentially malignant lesions and underwent peniscopy and penile swab. Their female counterparts underwent swabs of the uterine cervix and oral mucosa. HPV-DNA detection was performed by polymerase chain reaction and restriction fragment length polymorphism.
HPV-DNA was detected in the penis, vagina/cervix, and oral cavity of 16 couples (51.61 %). Of these, HPV-DNA concordance was observed in 14 couples (87.5 %). HPV-DNA was amplified in penile and oral sites of 14 couples. Of these, 13 couples reported fellatio (92.85 %), most of them (10 couples, 76.9 %) without condom use. HPV-DNA concordance was observed in 7/10 of these couples (70 %). The three couples (100 %) who reported use of condom during fellatio were HPV-DNA discordant (p = 0.025).
Lifetime number of female sexual partners and detection of HPV-DNA in the penile mucosa are surrogate markers of exposure to HPV during marriage. Consistent use of condoms may reduce the risk of HPV transmission.
Oral acquisition of HPV from oro-genital contact is influenced by lack of condom use and previous sexual behavior of the male partner. In addition, oral transmission of the virus due to fellatio is as common as genital transmission.