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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">tumors</journal-id><journal-title-group><journal-title xml:lang="ru">Malignant tumours</journal-title><trans-title-group xml:lang="en"><trans-title>Malignant tumours</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2224-5057</issn><issn pub-type="epub">2587-6813</issn><publisher><publisher-name>Rosoncoweb</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18027/2224-5057-2024-025</article-id><article-id custom-type="elpub" pub-id-type="custom">tumors-1406</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>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL REPORTS</subject></subj-group></article-categories><title-group><article-title>Повторная лапароскопия у больных операбельным раком желудка IB-III стадии после предоперационной химиотерапии</article-title><trans-title-group xml:lang="en"><trans-title>Role of repeat staging laparoscopy in locoregionally advanced gastric or gastroesophageal cancer after neoadjuvant therapy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3524-1037</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Авдюхин</surname><given-names>И. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Avdyukhin</surname><given-names>I. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Авдюхин Иван Геннадьевич</p><p>115478 Москва, Каширское шоссе, 23</p></bio><bio xml:lang="en"><p>Avdyukhin Ivan Gennadevich</p><p>23 Kashirskoe Shosse, Moscow 115478</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/0000-0001-8893-1894</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калинин</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinin</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абгарян Микаэл Грантович</p><p>115478 Москва, Каширское шоссе, 23</p></bio><bio xml:lang="en"><p>Kalinin Aleksei Evgenevich</p><p>23 Kashirskoe Shosse, Moscow 115478</p></bio><email xlink:type="simple">main2001@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7457-3889</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егенов</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Egenov</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калинин Алексей Евгеньевич</p><p>115478 Москва, Каширское шоссе, 23</p></bio><bio xml:lang="en"><p>Egenov Omar Alievich</p><p>23 Kashirskoe Shosse, Moscow 115478</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/0000-0002-8681-7905</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абгарян</surname><given-names>М. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Abgaryan</surname><given-names>M. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Егенов Омар Алиевич</p><p>115478 Москва, Каширское шоссе, 23</p></bio><bio xml:lang="en"><p>Abgaryan Mikael Grantovich</p><p>23 Kashirskoe Shosse, Moscow 115478</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/0000-0002-5039-6360</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Титова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Titova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Титова Татьяна Александровна</p><p>115478 Москва, Каширское шоссе, 23</p></bio><bio xml:lang="en"><p>Titova Tatyana Aleksandrovna</p><p>23 Kashirskoe Shosse, Moscow 115478</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/0000-0002-0493-1166</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стилиди</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Stilidi</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стилиди Иван Сократович</p><p>115478 Москва, Каширское шоссе, 23</p></bio><bio xml:lang="en"><p>Stilidi Ivan Sokratovich</p><p>23 Kashirskoe Shosse, Moscow 115478</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>17</day><month>12</month><year>2024</year></pub-date><volume>14</volume><issue>3</issue><fpage>25</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Авдюхин И.Г., Калинин А.Е., Егенов О.А., Абгарян М.Г., Титова Т.А., Стилиди И.С., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Авдюхин И.Г., Калинин А.Е., Егенов О.А., Абгарян М.Г., Титова Т.А., Стилиди И.С.</copyright-holder><copyright-holder xml:lang="en">Avdyukhin I.G., Kalinin A.E., Egenov O.A., Abgaryan M.G., Titova T.A., Stilidi I.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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.malignanttumors.org/jour/article/view/1406">https://www.malignanttumors.org/jour/article/view/1406</self-uri><abstract><sec><title>Введение</title><p>Введение: На сегодняшний день в мире нет рекомендаций к выполнению повторной диагностической лапароскопии (с цитологическим исследованием или без него) после предоперационных курсов химиотерапии у больных операбельным раком желудка.</p></sec><sec><title>Цель</title><p>Цель: Определить группу больных операбельным раком желудка IB-III стадии, у которых целесообразно рассмотрение вопроса о выполнении повторной лапароскопии после проведения предоперационных курсов химиотерапии перед планированием радикального хирургического вмешательства.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы: В анализ включены данные 449 больных раком желудка IB-III стадии; 52 пациентам после проведения 4 курсов химиотерапии повторно выполнена диагностическая лапароскопия с забором смывов с брюшины.</p></sec><sec><title>Результаты</title><p>Результаты: Согласно результатам многофакторного анализа, отрицательная динамика по данным КТ и ЭГДС или КТ (p &lt; 0,031), субтотальное поражение желудка (p &lt; 0,014), диффузный тип по Lauren (p &lt; 0,026) были значимыми прогностическими факторами прогрессирования после предоперационных курсов химиотерапии. Интервал после неоадъювантной терапии более 8 недель не продемонстрировал статистической значимости.</p></sec><sec><title>Выводы</title><p>Выводы: Повторная диагностическая лапароскопия после предоперационной химиотерапии является безопасной процедурой и может быть рассмотрена для пациентов с отрицательной динамикой (в пределах стабилизации, локорегионарного прогрессирования по критериям RECIST 1.1), субтотальным поражением желудка и диффузным типом опухоли по Lauren.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background: Nowadays there are no international recommendations regarding the necessity of repeated diagnostic laparoscopy (with cytological examination or without it) after preoperative chemotherapy for resectable gastric cancer Purpose: To determine the indications for the repeated laparoscopic surgery in gastric or gastroesophageal cancer patients</p></sec><sec><title>Materials and methods</title><p>Materials and methods: The information on 449 IB-III stage gastric cancer patients was analyzed. After 4 cycles of chemotherapy 52 patients underwent diagnostic laparoscopy with peritoneal fluid cytology testing.</p></sec><sec><title>Results</title><p>Results: The multifactorial analysis showed that tumor progression detected on CT scans and gastroscopy, subtotal gastric involvement (p &lt; 0,014), and diffuse Lauren type (p &lt; 0,026) were statistically significant negative prognostic factors after preoperative chemotherapy. The 8 weeks interval after neoadjuvant chemotherapy wasn’t significant.</p></sec><sec><title>Results</title><p>Results: The repeat staging laparoscopy after neoadjuvant chemotherapy is safe and may be considered for a certain category of patients.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>рак желудка</kwd><kwd>диагностическая лапароскопия</kwd><kwd>повторная лапароскопия</kwd><kwd>периоперационная химиотерапия</kwd><kwd>операбельный рак желудка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gastric cancer</kwd><kwd>diagnostic laparoscopy</kwd><kwd>repeat staging laparoscopy</kwd><kwd>preoperative chemotherapy</kwd><kwd>resectable gastric cancer</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена без спонсорской поддержки</funding-statement><funding-statement xml:lang="en">The article was prepared without sponsorship</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Jamel S., Markar S.R., Malietzis G., et al. 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