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PLoS One ; 13(6): e0199557, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-29949632

RESUMEN

BACKGROUND: Penile carcinoma (PC) is a rare, highly mutilating disease, common in developing countries. The evolution of penile cancer includes at least two independent carcinogenic pathways, related or unrelated to HPV infection. OBJECTIVES: To estimate the prevalence, identify HPV genotypes, and correlate with clinicopathological data on penile cancer. METHODS: A retrospective cohort study involving 183 patients with PC undergoing treatment in a referral hospital in Goiânia, Goiás, in Midwestern Brazil, from 2003 to 2015. Samples containing paraffin embedded tumor fragments were subjected to detection and genotyping by INNO-LiPA HPV. The clinicopathological variables were subjected to analysis with respect to HPV positivity and used prevalence ratio (PR), adjusted prevalence ratio (PRa) and 95% confidence interval (CI) as statistical measures. RESULTS: The prevalence of HPV DNA in PC was 30.6% (95% CI: 24.4 to 37.6), high-risk HPV 24.9% (95% CI: 18.9 to 31.3), and 62.5% were HPV 16. There was a statistical association between the endpoints HPV infection and HPV high risk, and the variable tumor grade II-III (p = 0.025) (p = 0.040), respectively. There was no statistical difference in disease specific survival at 10 years between the HPV positive and negative patients (p = 0.143), and high and low risk HPV (p = 0.325). CONCLUSIONS: The prevalence of HPV infection was 30.6%, and 80.3% of the genotypes were identified as preventable by anti-HPV quadrivalent or nonavalent vaccine. HPV infections and high-risk HPV were not associated with penile carcinoma prognosis in this study.


Asunto(s)
Infecciones por Papillomavirus/complicaciones , Infecciones por Papillomavirus/genética , Neoplasias del Pene/complicaciones , Neoplasias del Pene/virología , ADN Viral , Genotipo , Papillomavirus Humano 16/genética , Humanos , Masculino , Persona de Mediana Edad , Infecciones por Papillomavirus/mortalidad , Neoplasias del Pene/mortalidad , Neoplasias del Pene/patología , Prevalencia , Estudios Retrospectivos
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