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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский онкологический журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1028-9984</issn><issn publication-format="electronic">2412-9119</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">39988</article-id><article-id pub-id-type="doi">10.17816/onco39988</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">DIFFICULTIES IN THE DIAGNOSIS OF APPENDIX CANCER: A CLINICAL REPORT</article-title><trans-title-group xml:lang="ru"><trans-title>СЛОЖНОСТИ ДИАГНОСТИКИ РАКА ЧЕРВЕОБРАЗНОГО ОТРОСТКА: КЛИНИЧЕСКОЕ НАБЛЮДЕНИЕ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Komov</surname><given-names>D. V</given-names></name><name xml:lang="ru"><surname>Комов</surname><given-names>Дмитрий Владимирович</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, заведующий хирургическим отделением диагностики опухолей</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kolyadina</surname><given-names>I. V</given-names></name><name xml:lang="ru"><surname>Колядина</surname><given-names>Ирина Владимировна</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. мед. наук, ассистент каф. онкологии</p></bio><email>irinakolyadina@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Polikarpova</surname><given-names>S. B</given-names></name><name xml:lang="ru"><surname>Поликарпова</surname><given-names>С. Б</given-names></name></name-alternatives><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mazurov</surname><given-names>S. T</given-names></name><name xml:lang="ru"><surname>Мазуров</surname><given-names>Сергей Тихонович</given-names></name></name-alternatives><bio xml:lang="ru"><p>ведущий научный сотрудник эндоскопического отделения, к.м.н</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karasev</surname><given-names>I. A</given-names></name><name xml:lang="ru"><surname>Карасев</surname><given-names>И. А</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант эндоскопического отделения</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vasiljeva</surname><given-names>N. N</given-names></name><name xml:lang="ru"><surname>Васильева</surname><given-names>Надежда Николаевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>клинический ординатор</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N.Blokhin Russian Cancer Research Center of the Russian Academy of Medical Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУ "Российский онкологический научный центр им. Н.Н. Блохина" РАМН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Russian Medical Academy ofPostgraduate Education</institution></aff><aff><institution xml:lang="ru">ГБОУ ДПО "Российская медицинская академия последипломного образования"</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">I.M.Sechenov First Moscow State Medical University</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет им. И.М. Сеченова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2013</year></pub-date><volume>18</volume><issue>2</issue><issue-title xml:lang="en">NO2 (2013)</issue-title><issue-title xml:lang="ru">№2 (2013)</issue-title><fpage>40</fpage><lpage>42</lpage><history><date date-type="received" iso-8601-date="2020-07-22"><day>22</day><month>07</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, ООО "Эко-Вектор"</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">ООО "Эко-Вектор"</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://rjonco.com/1028-9984/article/view/39988">https://rjonco.com/1028-9984/article/view/39988</self-uri><abstract xml:lang="en"><p>A clinical case of appendix cancer in 68-year-old woman, earlier operated for metastatic ovarian tumor is described. The professional diagnostic approach (immunohistochemical morphology and re-colonoscopy) could help identify appendix cancer and changed treatment algorithm for secondary radical surgery.</p></abstract><trans-abstract xml:lang="ru"><p>Описан клинический случай рака червеобразного отростка у 68-летней женщины, оперированной ранее по поводу метастатического поражения яичников без выявленного первичного очага. Благодаря профессиональному диагностическому подходу (иммуногистохимическому исследованию и повторной колоноскопии) был выявлен рак червеобразного отростка, что изменило лечебный алгоритм и потребовало повторной радикальной операции.</p></trans-abstract><kwd-group xml:lang="en"><kwd>appendix cancer</kwd><kwd>diagnosis of appendix cancer</kwd><kwd>surgical treatment of appendix cancer</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак червеобразного отростка</kwd><kwd>диагностика рака червеобразного отростка</kwd><kwd>хирургическое лечение рака червеобразного отростка</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Collins D. 71.000 human appendix specimens. A final report summarizing forty years’ study. Am. J. Proctol. 1963; 14: 265-281; Connor S.J., Hanna G.B., Frizelle F.A. Appendiceal tumors: retrospective clinicopathologic analysis of appendiceal tumors from 7,970 appendectomies. Dis. 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