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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-195-11-97-99</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-1789</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Смешанная нейроэндокринная-не-нейроэндокринная опухоль толстой кишки: редкое клиническое наблюдение</article-title><trans-title-group xml:lang="en"><trans-title>Mixed neuroendocrine-non-neuroendocrine neoplasm of the colon: case report</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2748-0644</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Добродеев</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Dobrodeev</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Добродеев Алексей Юрьевич, д. м. н., ведущий научный сотрудник отделения абдоминальной онкологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Alexey Yu. Dobrodeev, Doctor of Medical Sciences, Leading Researcher of the Department of Abdominal Oncology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7620-4470</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гороховская</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorokhovskaya</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гороховская Вероника Игоревна, ординатор отделения абдоминальной онкологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Veronika I. Gorokhovskaya, resident of the department of abdominal oncology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><email xlink:type="simple">veronikauu@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5691-2349</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костромицкий</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostromitsky</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Костромицкий Дмитрий Николаевич, к. м. н., научный сотрудник отделения абдоминальной онкологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Dmitry N. Kostromitsky, PhD in Medicine, Researcher, Department of Abdominal Oncology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4701-0375</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Афанасьев</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Afanasyev</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Афанасьев Сергей Геннадьевич, д. м. н., профессор, заведующий отделением абдоминальной онкологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Sergey G. Afanasyev, Doctor of Medical Sciences, Professor, Head of the Department of Abdominal Oncology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6176-5486</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондарь</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondar</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бондарь Людмила Николаевна, врач-патологоанатом, отделение общей и молекулярной патологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Lyudmila N. Bondar, pathologist, Department of General and Molecular Pathology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1488-5949</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Авдеенко</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Avdeenko</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авдеенко Татьяна Владимировна, врач-эндоскопист, отделение эндоскопии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Tatyana V. Avdeenko, endoscopist, endoscopy department</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7006-602X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тарасова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tarasova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тарасова Анна Сергеевна, к. м. н., научный сотрудник отделения абдоминальной онкологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Anna S. Tarasova, PhD in Medicine, Researcher of the Department of Abdominal Oncology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7301-7581</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Августинович</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Аvgustinovich</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Августинович Александра Владимировна, к. м. н., старший научный сотрудник отделения абдоминальной онкологии</p><p>634009, г. Томск, пер. Кооперативный, 5</p></bio><bio xml:lang="en"><p>Alexandra V. Avgustinovich, PhD in Medicine, Senior Researcher of the Department of Abdominal Oncology</p><p>5, Kooperativny Street, 634050, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Научно-исследовательский институт онкологии, Томский национальный исследовательский медицинский центр Российской академии наук<country>Россия</country></aff><aff xml:lang="en">Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>01</month><year>2022</year></pub-date><volume>0</volume><issue>11</issue><fpage>97</fpage><lpage>99</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Добродеев А.Ю., Гороховская В.И., Костромицкий Д.Н., Афанасьев С.Г., Бондарь Л.Н., Авдеенко Т.В., Тарасова А.С., Августинович А.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Добродеев А.Ю., Гороховская В.И., Костромицкий Д.Н., Афанасьев С.Г., Бондарь Л.Н., Авдеенко Т.В., Тарасова А.С., Августинович А.В.</copyright-holder><copyright-holder xml:lang="en">Dobrodeev A.Y., Gorokhovskaya V.I., Kostromitsky D.N., Afanasyev S.G., Bondar L.N., Avdeenko T.V., Tarasova A.S., Аvgustinovich A.V.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.nogr.org/jour/article/view/1789">https://www.nogr.org/jour/article/view/1789</self-uri><abstract><p>Смешанная нейроэндокринная-не-нейроэндокринная неоплазия (MiNEN) — тип опухоли, в структуре которой присутствуют как клетки, происходящие из нейроэндокринных клеток эмбриональной кишки, так и элементы эпителиальной аденокарциномы. С целью установки степени дифференцировки MiNEN используется индекс пролиферации, для чего исследуется не менее 500 клеток. Данная опухоль является редкой патологией и чаще всего встречается в нижних отделах желудочно-кишечного тракта. В статье представлен редкий клинический случай хирургического лечения MiNEN опухоли восходящего отдела ободочной кишки.</p></abstract><trans-abstract xml:lang="en"><p>Mixed neuroendocrine-non-neuroendocrine neoplasm (MiNEN) is deﬁned as a tumor composed of cells originating from neuroendocrine cells in the embryonic intestine and elements of epithelial adenocarcinoma. To determine the diﬀerentiation grade of MiNEN, the proliferation index was used, for which at least 500 cells were examined. MiNEN is a rare neoplasm that is most frequently found in the lower gastrointestinal tract. We present a rare clinical case of surgical treatment of MiNEN of the ascending colon.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нейроэндокринная-не-нейроэндокринная неоплазия</kwd><kwd>нейроэндокринная опухоль</kwd><kwd>MINEN</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neuroendocrine-non-neuroendocrine neoplasia</kwd><kwd>neuroendocrine tumor</kwd><kwd>MINEN</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Mukai S., Hirata Y., Ishikawa S., et al. Mixed neuroendocrine-non-neuroendocrine neoplasms of ascending colon: A case report. Int J Surg Case Rep. 2020; 76:125–129. doi: 10.1016/j.ijscr.2020.08.054.</mixed-citation><mixed-citation xml:lang="en">Mukai S., Hirata Y., Ishikawa S., et al. Mixed neuroendocrine-non-neuroendocrine neoplasms of ascending colon: A case report. 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