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  • Title: [Prevalence of human papillomavirus infection in squamous cell carcinoma of the oral cavity, oropharynx and larynx].
    Author: Villagómez-Ortíz VJ, Paz-Delgadillo DE, Marino-Martínez I, Ceseñas-Falcón LÁ, Sandoval-de la Fuente A, Reyes-Escobedo A.
    Journal: Cir Cir; 2016; 84(5):363-8. PubMed ID: 27032466.
    Abstract:
    BACKGROUND: Cancer of the head and neck comprises a group of neoplasms that share a similar anatomical origin. Most originate from the epithelium of the aerodigestive tract and 90% correspond to squamous cell carcinoma. In the last 15 years, an increase in the incidence of squamous cell carcinoma induced by human papillomavirus (HPV) has been seen, mainly types 16 and 18, which are the most frequent found in cancers of the oral cavity and oropharynx, and types 6 and 11 in laryngeal cancer. There are reports in the literature that show HPV as the leading cause of oropharyngeal squamous cell carcinoma. OBJECTIVE: Determine the prevalence of infection with high-risk HPV in patients diagnosed with squamous cell carcinoma of the oral cavity, oropharynx and larynx. MATERIAL AND METHODS: An observational, cross-sectional, descriptive, unblinded study was performed. Prevalence of HPV infection was determined by polymerase chain reaction (PCR) in DNA samples from tumour tissue of patients with squamous cell carcinoma of the oral cavity, oropharynx and larynx. Typing was subsequently performed in HPV positive samples in order to detect types 18, 16, 11 and 6, using custom primers. RESULTS: A total of 45 patients were included. The association between laryngeal squamous cell carcinoma and HPV was established in two patients, which represented an overall prevalence of 4.4% in our population, and 10% for laringeal tumours. CONCLUSIONS: There is a low prevalence of HPV infection in squamous cell carcinoma of the oral cavity, oropharynx and larynx, in our population. Prospective studies on younger patients could provide more information.
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