[Human papilloma viruses: other risk factor of head and neck carcinoma].

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[Human papilloma viruses: other risk factor of head and neck carcinoma].

Bull Soc Pathol Exot. 2016 Jun 20;

Authors: Woto-Gaye G, M'Farrej MK, Doh K, Thiam I, Touré S, Diop R, Dial C

Abstract
Head and neck carcinoma (HNC) occupy the sixth place as the most frequent type of cancer worldwide. Next to alcohol and tobacco intoxication, other risk factors (RF) are suspected, including the human papilloma viruses (HPVs). The aim of this study was to highlight the prevalence of HPVs and histo-epidemiological characteristics of HNC HPV+ in Senegal. This is a prospective, multicenter preliminary study of 18 months (January 1, 2012-June 30, 2014). The cases of HNC histologically confirmed in Senegal were then sent to the bio-pathology department of the Curie Institute in Paris to search HPVs. In the 90 included cases, the PCR technique was successful in 54 cases (60%). HPVs were found in seven cases, that is, a prevalence of 13%. HPVs were associated with 5 cases of hypopharyngeal carcinoma and 2 cases of carcinoma of the oral cavity. Patients with HNC HPV+ had a median age of 42 years against 49 years for HPV-patients. Three patients (42.8%) with HPV+ carcinomas were smokers. Of the 47 HPV-patients, 40 patients (87.1%) had alcohol intoxication and/or smoking. The concept of oral sex was refuted by all our patients. Squamous cell carcinoma was the only histological type found. HPV+ cell carcinoma showed no specific histological appearance. HPVs are another certain RF of HNC in Senegal. The major therapeutic and prognostic impact of HPVinduced cancers requires the systematic search of the viruses by the PCR technique.

PMID: 27325173 [PubMed - as supplied by publisher]

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