Journal
LARYNGOSCOPE
Volume 124, Issue 12, Pages 2739-2744Publisher
WILEY-BLACKWELL
DOI: 10.1002/lary.24828
Keywords
Oral; laryngeal; hypopharyngeal; human papillomavirus; squamous cell carcinoma; incidence
Funding
- Liverpool Tissue Bank, University Hospital Aintree
- Wellcome Trust
- Royal College of Surgeons of England
- Cancer Research UK [17161] Funding Source: researchfish
- National Institute for Health Research [ACF-2012-07-007, CL-2013-07-002] Funding Source: researchfish
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Objectives/HypothesisThe incidence of human papillomavirus (HPV)-driven disease beyond the oropharynx varies greatly in the reported literature. Study DesignCase series. MethodsTwo hundred twenty-one samples were strictly classified to the subsites of oral cavity, larynx, or hypopharynx at the time of primary surgery. Formalin-fixed paraffin-embedded samples were subjected to a validated, tiered, diagnostic algorithm of p16 immunohistochemistry, high-risk HPV in situ hybridization, and quantitative polymerase chain reaction for HPV E6 DNA. An additional 60 oropharyngeal cases acted as an internal biological control. ResultsAn incidence of 4% of HPV-driven cases was observed across the subsites outside the oropharynx compared to 70% of tumors confined within it. ConclusionsThis is the first reporting of a broad range of nonoropharyngeal HPV rates using this validated diagnostic algorithm. It remains unclear whether patients with HPV-driven disease originating outside the oropharynx enjoy the same survival advantage apparent in those patients with oropharyngeal squamous cell carcinomas. Level of Evidence4 Laryngoscope, 124:2739-2744, 2014
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