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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">MD-Onco</journal-id><journal-title-group><journal-title xml:lang="en">MD-Onco</journal-title><trans-title-group xml:lang="ru"><trans-title>MD-Onco</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-3202</issn><issn publication-format="electronic">2782-6171</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">110</article-id><article-id pub-id-type="doi">10.17650/2782-3202-2024-4-2-37-45</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>NEW DIRECTIONS AND ADVANCEMENTS IN TREATMENT OF ONCOLOGICAL DISEASES IN THE CURRENT AGE</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>НОВЫЕ НАПРАВЛЕНИЯ И УСПЕХИ В ЛЕЧЕНИИ ОНКОЛОГИЧЕСКИХ ЗАБОЛЕВАНИЙ НА СОВРЕМЕННОМ ЭТАПЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Results of venous resections and reconstructions in retroperitoneal tumors</article-title><trans-title-group xml:lang="ru"><trans-title>Результаты венозных резекций и реконструкций при забрюшинных опухолях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7777-9943</contrib-id><name-alternatives><name xml:lang="en"><surname>Katelnitskaya</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Кательницкая</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Oksana V. Katelnitskaya </bold></p><p><italic>63 14<sup>th</sup> Liniya St., Rostov-on-Don 344037</italic></p></bio><bio xml:lang="ru"><p><bold>Оксана Васильевна Кательницкая</bold> </p><p><italic>344037 Ростов-на-Дону, ул. 14-я линия, 63</italic></p></bio><email>katelnickaya@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3061-6108</contrib-id><name-alternatives><name xml:lang="en"><surname>Kit</surname><given-names>O. I.</given-names></name><name xml:lang="ru"><surname>Кит</surname><given-names>О. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>63 14<sup>th</sup> Liniya St., Rostov-on-Don 344037</italic></p></bio><bio xml:lang="ru"><p><italic>344037 Ростов-на-Дону, ул. 14-я линия, 63</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7073-9463</contrib-id><name-alternatives><name xml:lang="en"><surname>Ausheva</surname><given-names>T. V.</given-names></name><name xml:lang="ru"><surname>Аушева</surname><given-names>Т. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>63 14<sup>th</sup> Liniya St., Rostov-on-Don 344037</italic></p></bio><bio xml:lang="ru"><p><italic>344037 Ростов-на-Дону, ул. 14-я линия, 63</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7511-2715</contrib-id><name-alternatives><name xml:lang="en"><surname>Saforyan</surname><given-names>N. S.</given-names></name><name xml:lang="ru"><surname>Сафорьян</surname><given-names>Н. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>63 14<sup>th</sup> Liniya St., Rostov-on-Don 344037</italic></p></bio><bio xml:lang="ru"><p><italic>344037 Ростов-на-Дону, ул. 14-я линия, 63</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Medical Research Center of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-06-14" publication-format="electronic"><day>14</day><month>06</month><year>2024</year></pub-date><volume>4</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>37</fpage><lpage>45</lpage><history><date date-type="received" iso-8601-date="2024-06-14"><day>14</day><month>06</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-06-14"><day>14</day><month>06</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, ABV-Press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, АБВ-пресс</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">ABV-Press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</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://mdonco.abvpress.ru/jour/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://mdonco.abvpress.ru/jour/article/view/110">https://mdonco.abvpress.ru/jour/article/view/110</self-uri><abstract xml:lang="en"><p><bold>Background. </bold>Retroperitoneal tumors are rare, heterogeneous malignant neoplasms. Due to the low sensitivity of tumor to chemoradiation, surgical resection is the only curative treatment method for retroperitoneal sarcomas. Performance of radical surgery improves the outcome for these patients. There are little data about the results of the treatment of the patients who underwent en bloc resection of the retroperitoneal tumors combined with the resection of large vessel.</p><p><bold>Aim. </bold>To analyze surgical and oncological outcomes of treatment retroperitoneal neoplasms with vascular involvement. </p><p><bold>Materials and methods. </bold>From 2019 to 2022, 27 patients with retroperitoneal sarcomas underwent surgical treatment with the resection of large vessels during the period.</p><p><bold>Results. </bold>The average diameter of the tumors was 17 (11–39) cm. The most common histological type was moderately differentiated liposarcoma (33.4 %), followed by pleomorphic liposarcoma (22.2 %), highly differentiated (18.5 %), undifferentiated sarcoma (18.5 %), leiomyosarcoma (7.4 %). Resection of the suprarenal segment of the inferior vena cava (IVC) with prosthetics was performed in 4 cases, resection of the renal segment with renal vein reimplantation – in 1 case, resection of the infrarenal segment of the IVC with prosthetics – in 8 cases. A synthetic prosthesis was used as a conduit in all cases. Tangential resection of the suprarenal IVC portion was performed in 1 patient, infrarenal portion – in 5 patients. A resection of the infrarenal IVC portion was performed without reconstruction in 1 case. Resection of the iliac vein was required in 6 patients; in one case the resection of the arterial iliac segment and prosthetics was added. Complete resection (R0–R1) was achieved in 85.2 % of the cases. The incidence of postoperative complications went as far as 25.9 % with no postoperative mortality. Despite ongoing anticoagulant therapy, the frequency of thrombosis in venous reconstruction zone in the early postoperative period (1 month) was 7.4 %. The median relapse-free survival was 16 months, and the median of overall survival was not achieved.</p><p><bold>Conclusion. </bold>Combined operations with the excision of retroperitoneal malignancies and angioplasty have explicitly acceptable level of postoperative complications and mortality. Eradication of retroperitoneal tumor with large vessels invasion allows to enlarge the life expectancy of patients often considered to be inoperable.</p><p> </p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold><bold> </bold>Забрюшинные опухоли – редко встречающиеся гетерогенные злокачественные новообразования. В связи с их низкой чувствительностью к химиолучевой терапии основным методом лечения является хирургический. Выполнение радикального вмешательства обеспечивает улучшение онкологических результатов. В настоящее время имеется мало данных о результатах лечения пациентов, перенесших резекцию забрюшинных опухолей с одновременной резекцией крупных сосудов единым блоком.</p><p><bold>Цель исследования </bold>– проанализировать хирургические и онкологические результаты у больных с забрюшинными опухолями с поражением магистральных сосудов.</p><p><bold>Материалы</bold><bold> </bold><bold>и</bold><bold> </bold><bold>методы.</bold><bold> </bold>В период с 2019 по 2022 г. 27 пациентов подверглись хирургическому лечению по поводу злокачественных опухолей забрюшинного пространства с резекцией магистральных сосудов.</p><p><bold>Результаты. </bold>Средний диаметр опухолей – 17 (11–39) см. Наиболее частым гистологическим типом была умеренно-дифференцированная липосаркома (33 %), реже диагностировали плеоморфную липосаркому (29 %), высокодифференцированную липосаркому (15 %), недифференцированную плеоморфную саркому (19 %), лейомиосаркому (4 %). Резекция супраренального отдела нижней полой вены (НПВ) с протезированием выполнена в 4 случаях, резекция ренального сегмента с реплантацией почечной вены – в 1, резекция инфраренального сегмента НПВ с протезированием – в 8 случаях. Во всех случаях в качестве кондуита использовали синтетический протез. Краевая резекция супраренального отдела НПВ выполнена у 1 пациента, инфраренального сегмента – у 5. В 1 случае выполнена резекция инфраренального сегмента НПВ без реконструкции. Резекция венозного подвздошного сегмента потребовалась 6 больным, в 1 случае – с резекцией артериального подвздошного сегмента и протезированием. В 85,2 % случаев была достигнута макроскопическая полная резекция (R0–R1).</p><p>Частота послеоперационных осложнений составила 25,9 %, летальные исходы отсутствовали. Частота тромбоза зоны венозной реконструкции в раннем послеоперационном периоде (1 мес) составила 7,4 %. Медиана безрецидивной выживаемости – 16 мес, медиана общей выживаемости не была достигнута.</p><p><bold>Выводы. </bold>Комбинированные операции с одновременным удалением злокачественных опухолей забрюшинного пространства и ангиопластикой характеризуются приемлемым уровнем послеоперационных осложнений и летальности. Радикальное удаление забрюшинной опухоли с поражением магистральных сосудов позволяет увеличить продолжительность жизни пациентов, которые часто рассматриваются как неоперабельные.</p><p> </p></trans-abstract><kwd-group xml:lang="en"><kwd>retroperitoneal tumors</kwd><kwd>vein reconstruction</kwd><kwd>sarcoma</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>саркома забрюшинного пространства</kwd><kwd>венозная реконструкция</kwd><kwd>саркома</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">1. Gladdy R.A., Gupta A., Catton C.N. Retroperitoneal sarcoma: fact, opinion, and controversy. Surg Oncol Clin N Am 2016;25(4):697–711. DOI: 10.1016/j.soc.2016.05.003</mixed-citation><mixed-citation xml:lang="ru">Gladdy R.A., Gupta A., Catton C.N. Retroperitoneal sarcoma: fact, opinion, and controversy. Surg Oncol Clin N Am 2016;25(4):697–711. 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