Expanding the Histologic Spectrum of Human Papillomavirus (HPV)-Associated Oropharyngeal Carcinoma: A Retrospective Study of 379 Cases Focusing on Classification, Histologic Features, and their Prognostic Significance
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Background: The WHO classification includes squamous cell carcinoma (SCC) and neuroendocrine carcinoma as two histotypes of HPV-associated oropharyngeal carcinoma (HPV + OPC). Among SCC, the recognized subtypes include non-kerati... ...