Journal of IMAB - Annual Proceeding (Scientific Papers)
Publisher: Peytchinski, Gospodin Iliev
ISSN: 1312 773X (Online)
Issue: 2016, vol. 22, issue 1
Subject Area: Medicine
Pages: 1063-1066
DOI: 10.5272/jimab.2016221.1063
Published online: 21 March 2016

J of IMAB 2016 Jan-Mar;22(1):1063-1066
Georgi N. Nikolov1, Alexandar V. Valkov1, Milena D. Karcheva2, Corresponding Autor, Savelina L. Popovska3, Milen P. Karaivanov3, Boris I. Duhlenski2
1) Department of Otorhinolaryngology, University Hospital, Pleven, Bulgaria,
2) Department of Epidemiology, Medical University, Pleven, Bulgaria,
3) Department of Pathology, University Hospital, Pleven, Bulgaria.

Background: Laryngeal carcinoma is one of the most common form of head and neck cancer. During the last two decades, it has been recognized that this cancer is causally related to human papillomavirus (HPV).
Objective: We presented a study on prevalence of human papilloma viruses (HPV) in patients with laryngeal carcinoma.
Methods: This study consists of 43 patients with laryngeal carcinoma who were diagnosed and treated with surgical techniques in Department of Otorhinolaryngology, University Hospital, Pleven, Bulgaria. Immunohistochemistry of p16INK4a and Ki-67 were used to prove the relationship between high-risk-HPV (HR-HPV) and carcinogenesis.
Results: Papilloma virus infection with high-risk oncogenic types of HPV was determined in more than 39.5% of surgically treated patients with histologically proven laryngeal cancer. HPV-induced carcinogenesis was assumed in 17 (13.9%) of all patients whose spouses were operated from cervical cancer. The patients with HPV-positive laryngeal carcinoma were younger than the others in the group (8 years on average). Risk factors for development of HPV-associated laryngeal carcinoma were related to higher number of sexual partners and the practice of oral sex. Frequently, in patients with HPV-associated laryngeal carcinoma we find data for so-called “family’s carcinogenesis”. The possibility of appearance (either preceding or following the treatment) of a second carcinoma and/or tumour recurrence is higher in HPV-positive laryngeal carcinomas.
Conclusion: It is recommended to extend the diagnostic methods for laryngeal and hypo pharyngeal cancer with a routine search for high-risk oncogenic HPV strains.

Key words: carcinoma, larynx, HPV, p16INK4a, Ki-67,

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Please cite this article in PubMed Style or AMA (American Medical Association) Style:
Nikolov GN, Valkov AV, Karcheva MD, Popovska SL, Karaivanov MP, Duhlenski BI. CARCINOMA OF THE LARYNX AND HUMAN PAPILLOMA VIRUS INFECTION. J of IMAB. 2016 Jan-Mar;22(1):1063-1066.

Correspondence to: Milena Karcheva, MD, PhD; Department of Epidemiology, Medical University, Pleven, Bulgaria; E-mail:

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Received: 18 January 2016
Published online: 21 March 2016

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