Prevalence and Detection of Sexually Transmitted Cases of Laryngeal Carcinoma.

Head and Neck Pathology
Mohammad Abdulhameed Al-QudahBara'a Yousef Al-Najjar

Abstract

Human papillomavirus (HPV) is among the reported etiologies of laryngeal squamous cell carcinoma (LSCC). Understanding the impact of HPV on LSCC may help reduce its incidence. This study investigates the association between HPV and LSCC as well as the roles for different immunohistochemical stains in HPV detection. A total of fifty-two formalin-fixed, paraffin-embedded tissue samples of LSCC, diagnosed between 2005 and 2015, were obtained from the archives of the Pathology Department. The samples were stained and processed to evaluate the relationship of HPV to LSCC. Patients had a mean age of 65.02 ± 14.341 years. By polymerase chain reaction (PCR), high-risk strains of HPV were detected in 15.4% of tissue samples. HPV-16 was found in 75% of the positive samples for an overall prevalence of 13.5%. P16 immunostaining was positive in 15.4% of cases while cyclin B and cyclin E were positive in 65.4% and 76.9%, respectively. Over half of the cases were histologically graded as moderately-differentiated, 28.8% as well-differentiated, and 15.4% as poorly-differentiated. The prevalence of HPV-positive LSCC was lower than previously stated in the literature. HPV-16 was the most commonly detected subtype, in concordance with the findin...Continue Reading

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