Hpv impact on oropharyngeal cancer patients treated at the largest cancer center from Brazil.
Cancer Lett
; 477: 70-75, 2020 05 01.
Article
em En
| MEDLINE
| ID: mdl-32087309
Oropharyngeal squamous cell carcinoma (OSCC) is a fatal and highly incident disease. Although tobacco and alcohol consumption are the main risk factors associated with OSCC, a recent significant increase in OSCC HPV16 positive cases in high-income countries has been observed. However, it is not clear whether this change is also present in low- and middle-income countries. In this study, we evaluated HPV16 prevalence in 346 OSCC cases diagnosed in the largest Brazilian oncology public hospital by using the combination of two techniques, HPV16 E6 detection by qPCR and p16 immunohistochemistry. In total, 11.9% of cases were HPV16 E6 positive, 9.2% were p16 positive and 6.1% were positive in both analyses. There was a predominance of keratinizing-SCC, with only four HPV-positive cases showing basaloid-like or non-keratinizing-SCC. HPV infection had no impact on disease-free or overall survival, while alcohol use was an independent prognostic factor for overall survival. Most cases reported a high frequency of tobacco (94.6%) and alcohol consumption (88.2%), were of low education level, and typically presented at advanced clinical stages, indicating that the profile of Brazilian OSCC patients has not changed.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Neoplasias Orofaríngeas
/
Infecções por Papillomavirus
Tipo de estudo:
Observational_studies
/
Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Adult
/
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Cancer Lett
Ano de publicação:
2020
Tipo de documento:
Article
País de publicação:
Irlanda