HPV-related Oropharyngeal Carcinoma: A Review of Clinical and Pathologic Features With Emphasis on Updates in Clinical and Pathologic Staging

There has been a sharp increase in the incidence of the human papilloma virus–related oropharyngeal squamous cell carcinoma, partly due to the increasingly widespread awareness and recognition of this entity. This review assimilates the recent histopathologic classifications, staging systems, rapidly expanding research base and developments in management of human papilloma virus–related oropharyngeal squamous cell carcinoma and summarizes their implications for routine diagnostic practice. Differential diagnoses and their cytologic appearances are detailed and the utility of p16 staining and other immunohistochemistry testing is discussed.

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