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Iranian Journal of Otorhinolaryngology، جلد ۲۸، شماره ۴، صفحات ۲۶۷-۲۷۴
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عنوان انگلیسی Analysis of Epstein Barr Virus Encoded RNA Expression in Nasopharyngeal Carcinoma in North-Eastern India: A Chromogenic in Situ Hybridization Based Study
چکیده انگلیسی مقاله Introduction: Nasopharyngeal carcinoma (NPC) is a common cancer in the North-East region of India. Though the role of environmental contributors of NPC in the North-Eastern part of India is firmly established, EBV as an etiological agent in the region remains unexplored. Material and Methods: Fifty-one patients, who presented at the department of ENT, NEIGRIHMS and were confirmed as NPC upon histopathological examination, were included in the study. Chromogenic in-situ hybridization (CISH) was used for the evaluation of EBER (Epstein Barr Virus Encoded RNA). Presence of nuclear signals was taken as positive for EBER expression. EBER status was correlated with various clinicopathological parameters like age, sex, dietary habits, histological types of NPC, and ethnicity of the patients. Results: The age range of the study group was 25 to 70 years with a mean age of 44.64 years and a male:female ratio of 3:2. Non-keratinizing undifferentiated type of NPC was the most common histological type. EBV was positive in 59% (30/51) of our cases. It showed a statistically significant correlation with the Naga community (P=0.01), with consumption of smoked food (P=0.02), and cigarette smoking (P=0.02). There was no correlation of EBV with age, sex, lymph node metastasis, stage, and histology. Conclusion: Our result indicates that EBV may be an additional risk factor in the pathogenesis of NPC in this region of India. So apart from lifestyle modification, a future study for a screening test for EBV viral load even in asymptomatic patients may be considered, for determination of disease susceptibility, early diagnosis, and proper management.
کلیدواژه‌های انگلیسی مقاله EBV, EBER, Nasopharynx, nasopharyngeal cancer, CISH
نویسندگان مقاله anjan saikia | anjan saikia
department of pathology, post graduate institute of medical education and research, chandigarh, india.


vandana raphael | vandana raphael
department of pathology, north eastern indira gandhi regional institute of health and medical sciences, shillong, india.


n برایان shunyu | n brian shunyu
department of otorhinolaryngology, north eastern indira gandhi regional institute of health and medical sciences, shillong, india.


yookarin khonglah | yookarin khonglah
department of pathology, north eastern indira gandhi regional institute of health and medical sciences, shillong, india.


jaya میشرا | jaya mishra
department of pathology, north eastern indira gandhi regional institute of health and medical sciences, shillong, india.


ankit jitani | ankit jitani
department of pathology, north eastern indira gandhi regional institute of health and medical sciences, shillong, india.


jayanta مهدی | jayanta medhi
department of otorhinolaryngology, north eastern indira gandhi regional institute of health and medical sciences, shillong, india.
نشانی اینترنتی http://ijorl.mums.ac.ir/article_7036.html
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