Abstract
Squamous cell carcinoma involving the oral cavity (OC) and oropharynx regions are a major cause of morbidity and mortality world-wide. The recent discovery of a strong association between human papilloma virus (HPV) infection and OC and oropharyngeal (OP) cancer has prompted world-wide research into the exact etiology and pathogenesis of these cancers in relation to the HPV. HPV-positive OC/OP cancers generally present at a relatively advanced stage (by virtue of cervical nodal involvement) and are more commonly seen in younger patients without significant exposure to alcohol or tobacco. These factors are implicated in prognosis, regardless of HPV association. In this article, we review the biology and epidemiology, risk factors, association, molecular analyses, treatment response and prognosis of HPV-related cancers. Role of HPV vaccination in HPV-related OC/OP cancers has also been discussed.
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