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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">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">757</article-id><article-id pub-id-type="doi">10.17650/2949-5857-2024-14-4-63-72</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical significance of intraoperative histological examination of resection margins during organ-preserving operations</article-title><trans-title-group xml:lang="ru"><trans-title>Клиническая значимость интраоперационного гистологического исследования краев резекции при органосохраняющих операциях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-9781-6582</contrib-id><name-alternatives><name xml:lang="en"><surname>Gagulaeva</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Гагулаева</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Kristina V. Gagulaeva </bold></p><p><italic>23</italic><italic> </italic><italic>Kashirskoe</italic><italic> </italic><italic>Shosse,</italic><italic> </italic><italic>Moscow</italic><italic> </italic><italic>115522</italic></p></bio><bio xml:lang="ru"><p><bold>Кристина Владимировна Гагулаева </bold></p><p><italic>115522 Москва, Каширское шоссе, 23</italic></p></bio><email>gagulaeva98@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4893-8770</contrib-id><name-alternatives><name xml:lang="en"><surname>Kim</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Ким</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>23</italic><italic> </italic><italic>Kashirskoe</italic><italic> </italic><italic>Shosse,</italic><italic> </italic><italic>Moscow</italic><italic> </italic><italic>115522,</italic><italic> </italic></p><p><italic>Build. 2, 8 Trubetskaya St., Moscow 119991</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 23,</italic></p><p><italic>119991 Москва, ул. Трубецкая, 8, стр. 2</italic></p></bio><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/0009-0004-9752-8588</contrib-id><name-alternatives><name xml:lang="en"><surname>Prokopenko</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Прокопенко</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>23</italic><italic> </italic><italic>Kashirskoe</italic><italic> </italic><italic>Shosse,</italic><italic> </italic><italic>Moscow</italic><italic> </italic><italic>115522</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 23</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7207-631X</contrib-id><name-alternatives><name xml:lang="en"><surname>Amosova</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Амосова</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>23</italic><italic> </italic><italic>Kashirskoe</italic><italic> </italic><italic>Shosse,</italic><italic> </italic><italic>Moscow</italic><italic> </italic><italic>115522</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 23</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-1339-1089</contrib-id><name-alternatives><name xml:lang="en"><surname>Gulyaeva</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Гуляева</surname><given-names>А. Э.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>23</italic><italic> </italic><italic>Kashirskoe</italic><italic> </italic><italic>Shosse,</italic><italic> </italic><italic>Moscow</italic><italic> </italic><italic>115522</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 23</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7514-280X</contrib-id><name-alternatives><name xml:lang="en"><surname>Petrovsky</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Петровский</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>23</italic><italic> </italic><italic>Kashirskoe</italic><italic> </italic><italic>Shosse,</italic><italic> </italic><italic>Moscow</italic><italic> </italic><italic>115522,</italic><italic> </italic></p><p><italic>Build. 2, 8 Trubetskaya St., Moscow 119991</italic></p></bio><bio xml:lang="ru"><p><italic>115522 Москва, Каширское шоссе, 23,</italic></p><p><italic>119991 Москва, ул. Трубецкая, 8, стр. 2</italic></p></bio><xref ref-type="aff" rid="aff1"/><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">I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-11-30" publication-format="electronic"><day>30</day><month>11</month><year>2024</year></pub-date><volume>14</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>63</fpage><lpage>72</lpage><history><date date-type="received" iso-8601-date="2024-11-30"><day>30</day><month>11</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-11-30"><day>30</day><month>11</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://onco-surgery.info/jour/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/757">https://onco-surgery.info/jour/article/view/757</self-uri><abstract xml:lang="en"><p><bold>Introduction.</bold> Today, resection margins are assessed in different ways, but in clinical practice, preference is given to the histological method with macro- and microscopic examination of the margins. Assessment of resection margins can be carried out not only during planned histological examination, but also during intraoperative examination.</p><p><bold>Aim.</bold> To evaluate the feasibility of intraoperative assessment of resection margins when performing organ-preserving operations in patients with primary resectable breast cancer.</p><p><bold>Materials and methods.</bold> A retrospective study analyzed data from patients with early breast cancer who underwent surgical treatment at the Blokhin National Medical Research Center of Oncology of the Ministry of Health of Russia from June 2020 to May 2022. All patients underwent mammary gland resection with or without intraoperative marginal GI of resection, with sentinel lymph node determination or regional lymphadenectomy at the first stage. Patients included in the final analysis were divided into 2 groups: the study group consisted of patients who underwent intraoperative marginal GI of resection, and the control group consisted of patients who did not undergo intraoperative marginal GI of resection. Marginal GI of resection is performed by a pathologist by measuring the distance from the tumor node to the resection margins on a macropreparation. Frozen sections were always stained with hematoxylin and eosin.</p><p><bold>Results.</bold> The 451 patients with early forms of breast cancer included in the final analysis and subjected to breast resection at the first stage were divided into 2 main groups: the study group consisted of patients (<italic>n</italic> = 310) who underwent intraoperative microscopic histological assessment of resection margins, and the control group included patients (<italic>n</italic> = 141) who did not undergo intraoperative assessment of resection margins. During intraoperative histological assessment of resection margins, patients with positive resection margins were most often observed with invasive cancer – 20.3 <italic>versus</italic> 3.9 % with intraductal cancer.</p><p><bold>Conclusion.</bold> Further research is needed to determine the factors influencing the increase in the incidence of positive resection margins and their impact on patient survival rates.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Края резекции на сегодняшний день оценивают разными способами, но в клинической практике предпочтение отдают гистологическому методу с макро- и микроскопическим исследованием краев. Оценка краев резекции может осуществляться не только при плановом гистологическом исследовании, но и при интраоперационном.</p><p><bold>Цель исследования</bold> – оценить целесообразность проведения интраоперационной оценки краев резекции при выполнении органосохраняющих операций у пациентов с первично операбельным раком молочной железы (РМЖ).</p><p><bold>Материалы и методы.</bold> В ретроспективном исследовании проанализированы данные пациенток с ранней формой РМЖ, подвергнутых хирургическому лечению в НМИЦ онкологии им. Н. Н. Блохина с июня 2020 г. по май 2022 г. Всем пациенткам на первом этапе выполнялась резекция молочной железы с интраоперационным гистологическим исследованием (ИГИ) краев резекции или без такового, с определением сторожевого лимфатического узла или регионарной лимфаденэктомией. Больные, включенные в окончательный анализ, поделены на 2 группы: исследуемую группу составили пациентки, которым было выполнено ИГИ краев резекции во время операции, а контрольную – больные, которым не проводили ИГИ краев резекции. ИГИ краев резекции выполняется патоморфологом посредством измерения расстояния от опухолевого узла до краев резекции на макропрепарате. Замороженные срезы всегда окрашивали гематоксилином и эозином.</p><p><bold>Результаты.</bold> Включенные в окончательный анализ пациентки (<italic>n</italic> = 451) с ранними формами РМЖ, подвергнутые на первом этапе резекции молочной железы, поделены на 2 основные группы: исследуемую группу (<italic>n</italic> = 310) составили больные, которым проводилась интраоперационная микроскопическая гистологическая оценка краев резекции, контрольную группу (<italic>n</italic> = 141) – пациентки, которым интраоперационная оценка краев резекции не проводилась. При интраоперационной гистологической оценке краев резекции пациентки с положительным краем резекции наиболее часто наблюдались при инвазивном раке – 20,3 % против 3,9 % при внутрипротоковом раке.</p><p><bold>Выводы.</bold> Необходимо проведение дальнейших исследований, определяющих факторы, влияющие на увеличение частоты определения положительных краев резекции и на показатели выживаемости больных.</p></trans-abstract><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>positive resection margin</kwd><kwd>recurrence rate</kwd><kwd>intraoperative assessment of resection margins</kwd><kwd>histological examination</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>положительный край резекции</kwd><kwd>частота рецидивов</kwd><kwd>интраоперационная оценка краев резекции</kwd><kwd>гистологическое исследование</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. 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