Lower Prevalence of Human Papillomavirus in Head and Neck Squamous Cell Carcinoma in Middle Eastern Population: Clinical Implications for Diagnosis and Prevention

  • Almarzooqi S
  • Hashim M
  • Awwad A
  • et al.
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Abstract

Introduction Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide. The prevalence of human papillomavirus (HPV) in HNSCC varies across regions. Objective This study aimed to determine the prevalence of high-risk HPV (hrHPV) among patients with HNSCC in the Middle East region. Methods Samples from patients with oropharyngeal or laryngeal lesions who underwent biopsy or resection at a tertiary care hospital from 2010 to 2015 were collected. Those confirmed as squamous cell carcinoma (SCC) on histopathology were identified as cases (n = 61), whereas benign lesions were used as controls (n = 83). Immunohistochemistry (IHC) for p16, p53, Ki-67, and in situ hybridization (ISH) for hrHPV genotypes 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, and 66 were performed on all cases. Results A total of 154 cases were studied: 61 squamous cell cancers (cases), 83 benign lesions (control), and 10 dysplasia specimens. Among the cases, only five (8.6%) were positive for hrHPV, whereas only one control specimen tested positive. The SCC group had higher mean age, male sex, and history of cigarette smoking and alcohol usage. Among the hrHPV-positive SCC cases, 80% had a tumor in the oropharyngeal region. All hrHPV-positive cases were positive for p16 and p53 immunostains. Conclusion Among HNSCC cases, hrHPV was detected at a lower rate compared to other regions of the world. This study suggests that hrHPV plays a minor role in the pathogenesis of HNSCC in this region, compared to tobacco use and alcohol consumption.

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Almarzooqi, S., Hashim, M. J., Awwad, A., Sharma, C., Saraswathiamma, D., & Albawardi, A. (2023). Lower Prevalence of Human Papillomavirus in Head and Neck Squamous Cell Carcinoma in Middle Eastern Population: Clinical Implications for Diagnosis and Prevention. Cureus. https://doi.org/10.7759/cureus.34912

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