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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">Head and Neck Tumors</journal-id><journal-title-group><journal-title xml:lang="en">Head and Neck Tumors</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли головы и шеи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-1468</issn><issn publication-format="electronic">2411-4634</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">1092</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2025-15-4-18-24</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DIAGNOSIS AND TREATMENT OF HEAD AND NECK TUMORS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДИАГНОСТИКА И ЛЕЧЕНИЕ ОПУХОЛЕЙ ГОЛОВЫ И ШЕИ</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">Control of the radicality of brain tumor removal using intraoperative ultrasound imaging</article-title><trans-title-group xml:lang="ru"><trans-title>Контроль над радикальностью удаления опухолей головного мозга с применением интраоперационного ультразвукового исследования</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-1976-7823</contrib-id><name-alternatives><name xml:lang="en"><surname>Dyshchirov</surname><given-names>Yu. Yu.</given-names></name><name xml:lang="ru"><surname>Дыщиров</surname><given-names>Ю. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3563-7293</contrib-id><name-alternatives><name xml:lang="en"><surname>Mitina</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Митина</surname><given-names>Л. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1905-9083</contrib-id><name-alternatives><name xml:lang="en"><surname>Zaitsev</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Зайцев</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8804-2237</contrib-id><name-alternatives><name xml:lang="en"><surname>Stepanov</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Степанов</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0924-6245</contrib-id><name-alternatives><name xml:lang="en"><surname>Kirsanova</surname><given-names>O. N.</given-names></name><name xml:lang="ru"><surname>Кирсанова</surname><given-names>О. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5874-2208</contrib-id><name-alternatives><name xml:lang="en"><surname>Guts</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Гуц</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1016-2009</contrib-id><name-alternatives><name xml:lang="en"><surname>Ruban</surname><given-names>M. S.</given-names></name><name xml:lang="ru"><surname>Рубан</surname><given-names>М. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>dychshirov03@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">P. A. Hertzen Moscow Oncology Research Institute – branch of the National Medical Research Radiological Centre, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Московский научно-исследовательский онкологический институт им. П. А. Герцена – филиал ФГБУ «Национальный медицинский исследовательский центр радиологии» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-03-18" publication-format="electronic"><day>18</day><month>03</month><year>2026</year></pub-date><volume>15</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>18</fpage><lpage>24</lpage><history><date date-type="received" iso-8601-date="2025-10-10"><day>10</day><month>10</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Dyshchirov Y.Y., Mitina L.A., Zaitsev A.M., Stepanov S.S., Kirsanova O.N., Guts O.V., Ruban M.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Дыщиров Ю.Ю., Митина Л.А., Зайцев А.М., Степанов С.С., Кирсанова О.Н., Гуц О.В., Рубан М.С.</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Dyshchirov Y.Y., Mitina L.A., Zaitsev A.M., Stepanov S.S., Kirsanova O.N., Guts O.V., Ruban M.S.</copyright-holder><copyright-holder xml:lang="ru">Дыщиров Ю.Ю., Митина Л.А., Зайцев А.М., Степанов С.С., Кирсанова О.Н., Гуц О.В., Рубан М.С.</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://ogsh.abvpress.ru/jour/article/view/1092">https://ogsh.abvpress.ru/jour/article/view/1092</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Achieving maximal radical resection is a critical factor influencing the prognosis of patients with brain tumors. Intraoperative ultrasound (IOUS) is a promising method for intraoperative control; however, its role in assessing resection radicality and intraoperative decision-making requires further study.</p> <p><bold>Aim.</bold> To evaluate the effectiveness of IOUS for monitoring the radical resection of primary and metastatic brain tumors.</p> <p><bold>Materials and methods.</bold> A prospective study included 58 patients who underwent surgery between January 2023 and September 2024. All patients underwent repeated IOUS in B-mode and with contrast enhancement after the main tumor volume removal to detect residual tumor tissue.</p> <p><bold>Results.</bold> Repeated IOUS identified residual tumor foci (minimum size up to 4 mm) in 17 (29.3 %) patients, leading to continued resection and achieving total or subtotal resection in 100 % of cases. The method provided visualization of tumor boundaries, differentiation from perifocal edema, and monitoring of intraoperative complications.</p> <p><bold>Conclusion.</bold> Intraoperative ultrasound is a highly informative, cost-effective, and safe method that significantly improves the radicality of neurosurgical interventions and can be recommended for widespread integration into clinical practice.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Достижение максимальной радикальности резекции является критически важным фактором, влияющим на прогноз при опухолях головного мозга. Интраоперационное ультразвуковое исследование (ИОУЗИ) представляет собой перспективный метод интраоперационного контроля, однако его роль в оценке радикальности резекции и принятии решений в ходе хирургического вмешательства требует дальнейшего изучения.</p> <p><bold>Цель исследования</bold> – оценить эффективность применения ИОУЗИ для контроля над радикальностью удаления первичных и метастатических опухолей головного мозга.</p> <p><bold>Материалы и методы.</bold> В проспективное исследование вошли 58 пациентов, прооперированных в период с января 2023 г. по сентябрь 2025 г. Всем больным после удаления основного объема опухоли проводили повторное ИОУЗИ в B-режиме и с контрастным усилением для выявления остаточной опухолевой ткани.</p> <p><bold>Результаты.</bold> Повторное ИОУЗИ позволило идентифицировать остаточные опухолевые очаги (минимальным размером &lt; 4 мм) у 17 (29,3 %) пациентов, что потребовало продолжения резекции и привело к достижению тотальной или субтотальной резекции в 100 % случаев. Данный метод обеспечил визуализацию границ опухоли, ее дифференциацию от перифокального отека и контроль над интраоперационными осложнениями.</p> <p><bold>Заключение.</bold> Интраоперационное ультразвуковое исследование является высокоинформативным, экономичным и безопасным методом, значительно повышающим радикальность нейрохирургических вмешательств, который можно рекомендовать к широкому внедрению в клиническую практику.</p></trans-abstract><kwd-group xml:lang="en"><kwd>intraoperative ultrasound</kwd><kwd>brain tumor</kwd><kwd>radical resection</kwd><kwd>neurosurgery</kwd><kwd>control over the radicality of resection</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>интраоперационное ультразвуковое исследование</kwd><kwd>опухоль головного мозга</kwd><kwd>радикальность резекции</kwd><kwd>нейрохирургия</kwd><kwd>контроль над радикальностью резекции</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Schaff L.R., Mellinghoff I.K. 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