Objective: To determine the human papilloma virus (HPV) infection in oral cancer and its association with smoking and drinking habits.
Study Design: A cross-sectional study was performed; samples were collected from 51 patients with histological diagnosis of squamous-cell carcinoma were collected at the Instituto Nacional de Cancerología in Mexico City. HPV infection was detected by polymerase chain reaction, and the clinical characteristics of this population were analyzed.
Results: Fifty samples out of 51 were positive for beta-globin; 21 (42%) cases were HPV-positive, and 14/21 were positive for HPV-16. We found more samples positive in men than in women (71% vs 29%). No differences were observed between HPV-positive and -negative patients in relation to smoking and drinking habits (81% vs 79%).
Conclusions: HPV infection was present in 42% of patients with oral squamous-cell carcinoma (OSCC); HPV-16 was the most frequent type, identified in 66.6%. Other cofactors participate in the development of OSCC, independent of HPV infection.
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