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No relationship between EBV and OLP was found. However, all sources tested in this study were considered suitable for the detection of viruses.

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Based on the present study, there was no difference in the rate of HPV detection in patients with or without oral leukoplakia. However all sources tested in this study were considered suitable for HPV detection, especially plasma samples, which showed be an important non-invasive source of HPV detection in leukoplakia patients.

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In this work, we analyze in detail the topology of the written language network using co-occurrence of words to recognize authorship. The Latin texts object of this study are excerpts from Historia Augusta, a collection of biographies of Roman emperors extending from Hadrian, who started to reign in 117 CE, to Carus and his sons Numerian and Carinus, that is, to the years up 284–285 CE. According to the manuscript tradition, the biographies are attributed to six different authors. Scholarship since the late 19th century has been arguing for a single authorship instead. The aim of this paper is to verify this hypothesis.

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RESUMOIntrodução: o carcinoma espinocelular (CEC) é o câncer de cabeça e pescoço de maior ocorrência, representando cerda de 90% de todos esses tumores. O CEC apresenta diversos fatores de risco, como fumo, álcool, e alguns vírus de potencial oncogênico, entre eles o Epstein Barr vírus (EBV) que é um membro da família Herpesviridae e apresenta um tropismo por linfócitos B e também por células epiteliais. Objetivo: realizar um levantamento na literatura da presença do EBV em carcinomas orais. Conclusão: o EBV está intimamente relacionado com carcinoma de nasofaringe, um CEC de alta ocorrência no sudeste asiático, no entanto o seu papel nos demais CEC orais ainda não foi comprovado. Palavras-chave:Infecções por Vírus Epstein-Barr. Neoplasias Bucais. Carcinoma de Células Escamosas. Carcinoma. ABSTRACTIntroduction: the squamous cell carcinoma (SCC) is the head and neck cancer of higher occurrence, representing about 90% of all these tumors. The SCC has several risk factors as smoking, alcohol and some oncogenic viruses, including the Epstein Barr virus (EBV). The EBV is a member of Herpesviridae family and has tropism for B lymphocytes and also for epithelial cells. Aim: the aim of this study was accomplish a review of the literature about the presence of the EBV in oral carcinomas. Conclusion: EBV is closely related to nasopharyngeal carcinoma, a SCC of high incidence in Southeast Asia, however its role in others oral SCC has not been proved.