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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">Surgery and Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Surgery and Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Хирургия и онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="electronic">2949-5857</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">772</article-id><article-id pub-id-type="doi">10.17650/2949-5857-2025-15-4-92-98</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CASE REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКОЕ НАБЛЮДЕНИЕ</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">Mesenteric cysts in oncological patients. Clinical cases</article-title><trans-title-group xml:lang="ru"><trans-title>Мезентериальные кисты у пациентов онкологического профиля. Клинические случаи</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6171-6796</contrib-id><name-alternatives><name xml:lang="en"><surname>Danzanova</surname><given-names>T. Y.</given-names></name><name xml:lang="ru"><surname>Данзанова</surname><given-names>Т. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><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/0009-0002-0926-8874</contrib-id><name-alternatives><name xml:lang="en"><surname>Koroleva</surname><given-names>I. S.</given-names></name><name xml:lang="ru"><surname>Королева</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-8038-7211</contrib-id><name-alternatives><name xml:lang="en"><surname>Vasenina</surname><given-names>A. Y.</given-names></name><name xml:lang="ru"><surname>Васенина</surname><given-names>А. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0653-3820</contrib-id><name-alternatives><name xml:lang="en"><surname>Gudilina</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Гудилина</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2586-8562</contrib-id><name-alternatives><name xml:lang="en"><surname>Berdnikov</surname><given-names>S. N.</given-names></name><name xml:lang="ru"><surname>Бердников</surname><given-names>С. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5697-9268</contrib-id><name-alternatives><name xml:lang="en"><surname>Sinyukova</surname><given-names>G. T.</given-names></name><name xml:lang="ru"><surname>Синюкова</surname><given-names>Г. Т.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7846-1788</contrib-id><name-alternatives><name xml:lang="en"><surname>Lepedatu</surname><given-names>P. I.</given-names></name><name xml:lang="ru"><surname>Лепэдату</surname><given-names>П. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0193-0563</contrib-id><name-alternatives><name xml:lang="en"><surname>Zubareva</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Зубарева</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>danzanova@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-21" publication-format="electronic"><day>21</day><month>12</month><year>2025</year></pub-date><volume>15</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>92</fpage><lpage>98</lpage><history><date date-type="received" iso-8601-date="2025-03-03"><day>03</day><month>03</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Danzanova T.Y., Koroleva I.S., Vasenina A.Y., Gudilina E.A., Berdnikov S.N., Sinyukova G.T., Lepedatu P.I., Zubareva E.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Данзанова Т.Ю., Королева И.С., Васенина А.Ю., Гудилина Е.А., Бердников С.Н., Синюкова Г.Т., Лепэдату П.И., Зубарева Е.А.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Danzanova T.Y., Koroleva I.S., Vasenina A.Y., Gudilina E.A., Berdnikov S.N., Sinyukova G.T., Lepedatu P.I., Zubareva E.A.</copyright-holder><copyright-holder xml:lang="ru">Данзанова Т.Ю., Королева И.С., Васенина А.Ю., Гудилина Е.А., Бердников С.Н., Синюкова Г.Т., Лепэдату П.И., Зубарева Е.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/772">https://onco-surgery.info/jour/article/view/772</self-uri><abstract xml:lang="en"><p>Two clinical cases involving ultrasound signs of mesenteric cysts in cancer patients are presented. The article presents classification, clinical picture, differential diagnosis with other pathological conditions, the main methods of instrumental diagnosis and treatment of mesenteric cysts.</p></abstract><trans-abstract xml:lang="ru"><p>В 2 клинических случаях приведены ультразвуковые признаки мезентериальных кист, обнаруженных у пациентов онкологического профиля. В работе представлены классификация, клиническая картина, дифференциальная диагностика с другими патологическими состояниями, основные методы инструментальной диагностики и лечения мезентериальных кист.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ultrasound examination</kwd><kwd>mesentery</kwd><kwd>mesenteric cyst</kwd><kwd>lymphatic malformation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ультразвуковое исследование</kwd><kwd>брыжейка</kwd><kwd>мезентериальная киста</kwd><kwd>лимфатическая киста</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Yavuz Y., Varman A., Şentürk Ü.M., Kafadar M.T. Mesenteric cyst in 22 cases. J Gastrointest Cancer 2020;52(3):20–3. DOI: 10.1007/s12029-020-00522-9</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Aguirre S.V., Almagro M.M., Romero C.A. et al. Giant mesenteric cyst from the small bowel mesentery in a young adult patient. 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