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  • Title: Determination of Oncogenic Human Papillomavirus (HPV) Genotypes in Anogenital Cancers in Myanmar.
    Author: Mu Mu Shwe, Hlaing Myat Thu, Khin Saw Aye, Aye Aye Myint, Mya Thida, Khin Shwe Mar, Khin Khin Oo, Khin Sandar Aye, Okada S, Kyaw Zin Thant.
    Journal: Acta Med Okayama; 2016; 70(2):103-10. PubMed ID: 27094835.
    Abstract:
    Molecular and epidemiologic investigations suggest a causal role for human papillomavirus (HPV) in anogenital cancers. This study identified oncogenic HPV genotypes in anogenital cancers among men and women in a 2013 cross-sectional descriptive study in Myanmar. In total, 100 biopsy tissues of histologically confirmed anogenital cancers collected in 2008-2012 were studied, including 30 penile and 9 anal cancers from Yangon General Hospital and 61 vulvar cancers from Central Women's Hospital, Yangon. HPV-DNA testing and genotyping were performed by polymerase chain reaction-restriction fragment length polymorphism. Overall, 34% of anogenital cancers were HPV-positive. HPV was found in 44.4% of anal (4/9), 36.1% of vulvar (22/61), and 26.7% of penile (8/30) cancers. The most frequent genotypes in anal cancers were HPV 16 (75% ) and 18 (25% ). In vulvar cancers, HPV 33 was most common (40.9% ), followed by 16 (31.8% ), 31 (22.7% ), and 18 (4.6% ). In penile cancers, HPV 16 (62.5% ) was most common, followed by 33 (25% ) and 18 (12.5% ). This is the first report of evidencebased oncogenic HPV genotypes in anogenital cancers among men and women in Myanmar. This research provides valuable information for understanding the burden of HPV-associated cancers of the anus, penis, and vulva and considering the effectiveness of prophylactic HPV vaccination.
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