Pathologic Markers in Surgically Treated HPV-Associated Oropharyngeal Cancer: Retrospective Study, Systematic Review, and Meta-analysis.

Pathologic Markers in Surgically Treated HPV-Associated Oropharyngeal Cancer: Retrospective Study, Systematic Review, and Meta-analysis.

Ann Otol Rhinol Laryngol. 2017 May;126(5):365-374

Authors: Tassone P, Crawley M, Bovenzi C, Zhan T, Keane W, Cognetti D, Luginbuhl A, Curry J

Abstract
OBJECTIVE: Human papillomavirus-associated (HPV) oropharyngeal cancer is a unique clinical entity whose incidence is increasing. It is controversial whether traditional pathologic markers of aggressive head and neck cancer also apply in surgically treated HPV-associated disease.
STUDY DESIGN: Retrospective study, systematic review, and meta-analysis Data Sources: PubMed and Cochrane review.
REVIEW METHODS: PubMed and Cochrane review were searched for published articles on surgically treated HPV-associated oropharyngeal cancer. Eligible studies were included in a meta-analysis of survival using several clinicopathologic markers as predictors. Surgically treated HPV-positive oropharyngeal cancer patients at our institution were studied retrospectively and added to the meta-analysis.
RESULTS: Eight published reports, plus our retrospective series, were included in the meta-analysis. This showed significant impact on event-free survival for T stage, nodal number, perineural invasion, and lymphovascular invasion (all P < .05) but not for N stage extracapsular extension ( P = ns).
CONCLUSIONS: While many traditional clinico-pathologic markers of aggressive disease in head and neck cancer also impact survival in surgically treated HPV-associated oropharyngeal cancer, extracapsular extension may be less important.

PMID: 28397563 [PubMed - in process]

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