Abstract
Aim: To compare patterns and rates of recurrence in patients with oropharyngeal squamous cell carcinoma by human papilloma virus (HPV) status. Patients & methods: Retrospective chart review of 155 patients diagnosed with oropharyngeal squamous cell carcinoma between 2012 and 2014 at a single center. Results: Two-year recurrence-free survival was higher in patients with HPV-positive tumors compared with negative (85.2% [standard error = 0.03] versus 59.3% [standard error = 0.09]; p < .001) with the former proportionally less likely to have locoregional recurrence. HPV-positive patients had proportionally higher incidence of second primary malignancies outside of head, neck and lung compared with HPV-negative (74.2 vs 37.5%; p = 0.09). Conclusion: The differences in failure by HPV status indicates a need for modified surveillance guidelines. The differences in second primary malignancies patterns are interesting, warranting further evaluation in larger studies.
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