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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">Science and Innovations in Medicine</journal-id><journal-title-group><journal-title xml:lang="en">Science and Innovations in Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Наука и инновации в медицине</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2500-1388</issn><issn publication-format="electronic">2618-754X</issn><publisher><publisher-name xml:lang="en">FSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">642123</article-id><article-id pub-id-type="doi">10.35693/SIM642123</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Oncology and radiotherapy</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Онкология, лучевая терапия</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">Surgical treatment of retroperitoneal liposarcoma using the technology of endoprosthetic replacement of the abdominal aorta and left common iliac artery with an endoprosthesis</article-title><trans-title-group xml:lang="ru"><trans-title>Хирургическое лечение забрюшинной липосаркомы с использованием технологии эндопротезирования брюшного отдела аорты и левой общей подвздошной артерии</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0493-1166</contrib-id><name-alternatives><name xml:lang="en"><surname>Stilidi</surname><given-names>Ivan S.</given-names></name><name xml:lang="ru"><surname>Стилиди</surname><given-names>И. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Academician of the Russian Academy of Sciences, Professor, Doctor of Medical Sciences, Director</p></bio><bio xml:lang="ru"><p>академик РАН, профессор, д-р мед. наук, директор</p></bio><email>biochimia@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8893-1894</contrib-id><name-alternatives><name xml:lang="en"><surname>Abgaryan</surname><given-names>Mikael G.</given-names></name><name xml:lang="ru"><surname>Абгарян</surname><given-names>М. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Senior Researcher, Oncologist, Department of Abdominal Oncology No. 1</p></bio><bio xml:lang="ru"><p>канд. мед. наук, старший научный сотрудник, врач-онколог отделения абдоминальной онкологии №1</p></bio><email>abgaryan.mikael@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7457-3889</contrib-id><name-alternatives><name xml:lang="en"><surname>Kalinin</surname><given-names>Aleksei E.</given-names></name><name xml:lang="ru"><surname>Калинин</surname><given-names>А. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Senior Researcher, Oncologist, Department of Abdominal Oncology No. 1</p></bio><bio xml:lang="ru"><p>канд. мед. наук, старший научный сотрудник, врач-онколог отделения абдоминальной онкологии №1</p></bio><email>main2001@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-6360-8932</contrib-id><name-alternatives><name xml:lang="en"><surname>Shulumba</surname><given-names>Lola R.</given-names></name><name xml:lang="ru"><surname>Шулумба</surname><given-names>Л. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>resident of the Surgical Department No. 1</p></bio><bio xml:lang="ru"><p>ординатор хирургического отделения №1</p></bio><email>lolashulu@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8681-7905</contrib-id><name-alternatives><name xml:lang="en"><surname>Egenov</surname><given-names>Omar A.</given-names></name><name xml:lang="ru"><surname>Егенов</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD, Oncologist, Department of Abdominal Oncology No. 1</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач-онколог отделения абдоминальной онкологии №1</p></bio><email>egenov.omar@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии имени Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2024</year></pub-date><volume>9</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>297</fpage><lpage>302</lpage><history><date date-type="received" iso-8601-date="2024-11-21"><day>21</day><month>11</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-12-05"><day>05</day><month>12</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Stilidi I.S., Abgaryan M.G., Kalinin A.E., Shulumba L.R., Egenov O.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Стилиди И.С., Абгарян М.Г., Калинин А.Е., Шулумба Л.Р., Егенов О.А.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Stilidi I.S., Abgaryan M.G., Kalinin A.E., Shulumba L.R., Egenov O.A.</copyright-holder><copyright-holder xml:lang="ru">Стилиди И.С., Абгарян М.Г., Калинин А.Е., Шулумба Л.Р., Егенов О.А.</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://innoscience.ru/2500-1388/article/view/642123">https://innoscience.ru/2500-1388/article/view/642123</self-uri><abstract xml:lang="en"><p>Soft tissue sarcomas are rare malignancies, accounting for approximately 1% of all malignancies in adults, with approximately 15–20% of all soft tissue sarcomas arising in the retroperitoneal space. Guidelines for the surgical treatment of retroperitoneal sarcomas are still lacking. Criteria for unresectability remain unclear, and indications and compliance with surgical treatment vary.</p> <p>A special focus is made on vascular resections in retroperitoneal sarcomas. Surgical intervention with resection of the main vessels in case of their involvement allows for a radical operation and naturally improves long-term results. However, only isolated cases of surgical interventions with resection of the main vessels for retroperitoneal sarcomas are described in the literature.</p> <p>The article describes a unique clinical case of a two-stage successful surgical treatment of a patient with retroperitoneal liposarcoma and invasion of the aorta and left common iliac artery. At the first stage, an intravascular graft stent was installed. The second stage was en bloc tumor removal, nephrectomy and left hemicolectomy, resection of the infrarenal segment of the abdominal aorta and left common iliac artery.</p> <p>The discussion provides an analysis of publications on the role of vascular resections in retroperitoneal sarcomas.</p> <p>The technique of two-stage surgical treatment using endoprosthetics of the main vessel at the first stage, compared to one-stage resection and prosthetics, used in our work has a number of advantages: no need for intraoperative prosthetics of the vessel; no clamping of the abdominal aorta and iliac arteries to form anastomoses; minimal blood loss and reduced surgery time; reduced risk of thrombosis and embolism.</p> <p>Taking into account the above advantages, this technique can be recommended for retroperitoneal sarcomas with invasion of the main vessels.</p></abstract><trans-abstract xml:lang="ru"><p>Саркомы мягких тканей – редкие злокачественные опухоли, составляющие примерно 1% всех злокачественных новообразований у взрослых, при этом примерно 15–20% всех сарком мягких тканей возникают в забрюшинном пространстве. Руководства по хирургическому лечению забрюшинных сарком до сих пор отсутствуют. Критерии нерезектабельности остаются неопределенными, а показания и соответствие требованиям к оперативному лечению разнятся.</p> <p>Сосудистым резекциям при забрюшинных саркомах уделяется особое внимание. Хирургическое вмешательство с резекцией магистральных сосудов в случае их вовлечения позволяет выполнить радикальную операцию и естественно улучшает отдаленные результаты. Однако в литературе описаны лишь единичные случаи хирургических вмешательств с резекцией магистральных сосудов по поводу забрюшинных сарком.</p> <p>В статье описывается уникальный клинический случай двухэтапного успешного хирургического лечения пациента с забрюшинной липосаркомой и инвазией в аорту и левую общую подвздошную артерию. На первом этапе выполнена установка внутрисосудистого графт-стента. Вторым этапом – en bloc удаление опухоли, нефрэктомия и гемиколэктомия слева, резекция инфраренального сегмента брюшной аорты и левой общей подвздошной артерии.</p> <p>В обсуждении приводится анализ публикаций, посвященных роли сосудистых резекций при забрюшинных саркомах.</p> <p>Примененная в нашей работе методика двухэтапного хирургического лечения с использованием эндопротезирования магистрального сосуда на первом этапе по сравнению с одномоментной резекцией и протезированием обладает рядом преимуществ: не требуется выполнения интра-операционного протезирования сосуда; отсутствие пережатия брюшной аорты и подвздошных артерий для формирования анастомозов; минимальный объем кровопотери и сокращение времени операции; снижение риска тромбоза и эмболии.</p> <p>Учитывая вышеперечисленные преимущества, данная методика может быть рекомендована при забрюшинных саркомах с инвазией в магистральные сосуды.</p></trans-abstract><kwd-group xml:lang="en"><kwd>retroperitoneal liposarcoma</kwd><kwd>abdominal aortic resection</kwd><kwd>iliac vessel resection</kwd><kwd>vascular reconstruction</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>забрюшинная липосаркома</kwd><kwd>резекция брюшной аорты</kwd><kwd>резекция подвздошных сосудов</kwd><kwd>сосудистая реконструкция</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Siegel RL, Miller KD, Fuchs HE, Jemal A. 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