Abstract
Background
The aim of this study was to determine the HPV positivity rate in patients with laryngeal cancer, and to determine the effect of HPV positivity on survival. An additional aim was to determine if patients with HPV positive laryngeal cancer are more sensitive to chemotherapy and if such sensitivity differs according to chemotherapy protocol.
Methods
The study included laryngeal specimens obtained from 82 laryngeal cancer patients and 11 laryngeal specimens with normal laryngeal mucosa that were obtained from our hospital's paraffin block archives between 1995 and 2013. HPV was detected via chromogenic in situ hybridization (cISH) and confirmed via genotyping.
Results
HPV was not detected in any of the 82 laryngeal cancer patients' laryngeal specimens, nor in any of the 11 archived laryngeal specimens with normal laryngeal mucosa via cISH. Genotyping confirmed these findings; none of the HPV types studied were detected in any of the specimens. As none of the study samples were HPV positive, it was not possible to compare survival, recurrence, or chemotherapy sensitivity.
Conclusions
HPV infection is not a leading cause of laryngeal cancer; however, additional research on HPV positivity in patients with laryngeal cancer and its effect on recurrence, survival, and chemotherapy sensitivity is warranted.
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