HPV infection in oropharyngeal squamous cell carcinomas: Correlation with tumor size
Συγγραφέας
Gletsou E., Papadas T.A., Baliou E., Tsiambas E., Ragos V., Armata I.E., Metaxas G.E., Fotiades P.P.Ημερομηνία
2018Γλώσσα
en
Λέξη-κλειδί
Επιτομή
Purpose: Human papillomavirus (HPV) is implicated in carcinogenesis of a variety of epithelia, including oropharyngeal and laryngeal. High risk (HR) HPV persistent infection in head and neck squamous cell carcinomas (HNSCC) is a significant event, but its influence regarding the prognosis and survival in these patients remains under consideration. Our aim was to analyze a series of oropharyngeal (OP) SCCs at the HPV DNA level, correlating them to the survival status of the corresponding patients. Methods: Using HPV DNA polymerase chain reaction (PCR) microarray technology, 28 formalin-fixed, paraffin-embedded primary OPSCCs were cored and analyzed. Results: Positive DNA amplicons for HPV infection were detected in 3 SCC cases (sub types: HPV 31/35/70). Interestingly, HPV persistent infection was associated with larger tumors (p=0.029) which also affected survival status (p=0.007) in the corresponding patients. Overall survival was also significantly dependent on the stage of the malignancies (p=0.022). Furthermore, tumor size was significantly and negatively correlated with age (p=0.015), meaning that younger patients will probably develop larger tumors. Conclusions: HPV-depended OPSCCs - although not so common as the laryngeal ones, but still not so rare in the rural population in Greece - are characterized by a combination of specific features. Our results showed that survival was adversely effected by the stage of the disease and tumor size and indirectly by the presence of HPV - especially in young adults - while the combined surgery/radiotherapy/ chemotherapy therapy seems to prolong survival. Additionally, HPV co-existence seems to be associated with larger tumors and poor survival. © 2017 Zerbinis Publications. All rights reserved.
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