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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Head and Neck Tumors</journal-id><journal-title-group><journal-title xml:lang="en">Head and Neck Tumors</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли головы и шеи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-1468</issn><issn publication-format="electronic">2411-4634</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">564</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2020-10-3-81-89</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>REVIEWS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОБЗОРНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Monitoring the efficacy of conservative treatment of nasopharyngeal carcinoma by examining Epstein–Barr virus DNA titers in blood plasma (review)</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка эффективности консервативного лечения рака носоглотки путем исследования содержания ДНК вируса Эпштейна–Барр в плазме крови: обзор литературы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9157-5330</contrib-id><name-alternatives><name xml:lang="en"><surname>Miroshnichenko</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Мирошниченко</surname><given-names>Д. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Bld. 4, 2 Bolshaya Pirogovskaya St., Moscow 119991</italic></p></bio><bio xml:lang="ru"><p><bold>Дарья Андреевна Мирошниченко </bold></p><p><italic>119991 Москва, ул. Большая Пироговская, 2, стр. 4</italic></p><p> </p></bio><email>dariamiroshnichenko1996@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2095-5931</contrib-id><name-alternatives><name xml:lang="en"><surname>Polyakov</surname><given-names>A. P.</given-names></name><name xml:lang="ru"><surname>Поляков</surname><given-names>А. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Bld. 4, 2 Bolshaya Pirogovskaya St., Moscow 119991, </italic></p><p><italic>32 nd Botkinsky Dr., Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><italic>119991 Москва, ул. Большая Пироговская, 2, стр. 4, </italic></p><p><italic>125284 Москва, 2-й Боткинский проезд, 3; </italic></p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8500-8620</contrib-id><name-alternatives><name xml:lang="en"><surname>Mordovsky</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Мордовский</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>32 nd Botkinsky Dr., Moscow 125284</italic></p></bio><bio xml:lang="ru"><p><italic>125284 Москва, 2-й Боткинский проезд, 3; </italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО Первый Московский государственный медицинский университет им. И.М. Сеченова Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">P.A. Hertzen Moscow Oncology Research Institute – branch of the National Medical Research Radiology Center, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский научно-исследовательский онкологический институт им. П.А. Герцена – филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-11-16" publication-format="electronic"><day>16</day><month>11</month><year>2020</year></pub-date><volume>10</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>81</fpage><lpage>89</lpage><history><date date-type="received" iso-8601-date="2020-11-16"><day>16</day><month>11</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-11-16"><day>16</day><month>11</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Miroshnichenko D.A., Polyakov A.P., Mordovsky A.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Мирошниченко Д.А., Поляков А.П., Мордовский А.В.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Miroshnichenko D.A., Polyakov A.P., Mordovsky A.V.</copyright-holder><copyright-holder xml:lang="ru">Мирошниченко Д.А., Поляков А.П., Мордовский А.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ogsh.abvpress.ru/jour/article/view/564">https://ogsh.abvpress.ru/jour/article/view/564</self-uri><abstract xml:lang="en"><p>One of the main problems of nasopharyngeal carcinoma treatment is the high incidence regional and distant failures. The method of choice in the first line therapy for the primarily diagnosed nasopharyngeal carcinoma is chemoradiotherapy with poor success rate. The main etiological factor in the occurrence of nasopharyngeal carcinoma is the Epstein–Barr virus, which DNA’s copies could be detected in blood samples in patients with nasopharyngeal carcinoma, which may indicate tumor activity. The indicators of these titers reach different values depending on the stage of the tumor process, the presence of distant metastases, individual patient parameters, and the tumor response to the therapy. Given the high specificity of this biological marker, it is necessary to consider the possibility of its use as a prognostic indicator for assessing the success of the selected method of conservative treatment, as well as assessing the prognosis.</p></abstract><trans-abstract xml:lang="ru"><p>Одна из основных проблем в лечении рака носоглотки – высокая частота возникновения рецидивов и метастазов. Методом выбора при первично диагностированном раке носоглотки считается химиолучевая терапия, характеризующаяся средней эффективностью. Основным этиологическим фактором возникновения рака носоглотки является вирус Эпштейна–Барр; обнаружение его ДНК в плазме крови больных раком носоглотки может указывать на наличие активного опухолевого процесса. Содержание ДНК этого вируса различается в зависимости от стадии опухолевого процесса, наличия отдаленных метастазов, индивидуальных показателей пациента, ответа опухоли на терапию. Учитывая высокую специфичность данного биологического маркера, необходимо рассмотреть возможность его применения в качестве критерия оценки успешности лечения, а также для определения прогноза.</p></trans-abstract><kwd-group xml:lang="en"><kwd>nasopharyngeal carcinoma</kwd><kwd>Epstein–Barr virus</kwd><kwd>chemoradiotherapy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак носоглотки</kwd><kwd>вирус Эпштейна–Барр</kwd><kwd>химиолучевая терапия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Paches A.I., Brzhezovskyi V.Z., Demidov L.V. et al. Head and neck tumors: manual. Moscow: Prakticheskaya medicina, 2013. 478 p. (In Russ.).</mixed-citation><mixed-citation xml:lang="ru">Пачес А.И., Бржезовский В.Ж., Демидов Л.В. и др. Опухоли головы и шеи: руководство. 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