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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">10.18027/2224-5057-2022-12-3s1-57-61</article-id><article-id custom-type="elpub" pub-id-type="custom">tumors-1001</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Стереотаксическая лучевая терапия при почечно-клеточном раке. Опыт и непосредственные результаты</article-title><trans-title-group xml:lang="en"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанович</surname><given-names>Е. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><email xlink:type="simple">Lstepanovich@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Демешко</surname><given-names>П. Д.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поляков</surname><given-names>С. Л.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Минайло</surname><given-names>И. И.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>ГУ «Республиканский научно-практический центр онкологии и медицинской радиологии им Н. Н. Александрова»</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>18</day><month>11</month><year>2022</year></pub-date><volume>12</volume><issue>3s1</issue><fpage>57</fpage><lpage>61</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Степанович Е.А., Демешко П.Д., Поляков С.Л., Минайло И.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Степанович Е.А., Демешко П.Д., Поляков С.Л., Минайло И.И.</copyright-holder><copyright-holder xml:lang="en">Степанович Е.А., Демешко П.Д., Поляков С.Л., Минайло И.И.</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/1001">https://www.malignanttumors.org/jour/article/view/1001</self-uri><abstract><sec><title>Цель</title><p>Цель: Оценить выживаемость пациентов, страдающих почечно-клеточным (ПКР) раком I ст., подвергнутых стереотаксической аблационной лучевой терапии (САЛТ).</p></sec><sec><title>Материал и методы</title><p>Материал и методы: В исследование включены 22 пациента, которым в РНПЦ ОМР им. Н. Н. Александрова в период 2018–2022 гг. была проведена САЛТ по поводу впервые выявленной опухоли почки. Общее число облученных опухолей составило 25. Критериями включения в исследования явились: рак почки I стадии, наличие противопоказаний к хирургическому лечению, или отказ от хирургического лечения, а также высокий риск развития послеоперационных осложнений. В исследование включались пациенты с размером образований ≤ 5 см. Лечение осуществлялось на аппарате TrueBeam STx (Varian Medical Systems, США). Предписанная доза составила 48 Гр за 4 фракции, биологически эффективная доза (BED) α / β 3 Гр = 240 Гр, BED α / β 10 Гр = 105 Гр. Конечными точками исследования являлись кумулятивная инцидентность (КИ), скорректированная (СВ) и общая выживаемость (ОВ).</p></sec><sec><title>Результаты</title><p>Результаты: В 24 случаях при первичном контроле был достигнут локальный контроль заболевания (в 2 в виде полной регрессии, в 15 в виде стабилизации заболевания, в 7 случаях — частичная регрессия опухоли). У 1 пациента был отмечен продолженный рост опухоли и дальнейшее системное прогрессирование заболевания. При оценки локального контроля, медиана наблюдения которого составила 24 месяца, 4-летняя кумулятивная инцидентность составила 4,2 %. Вместе с тем, у 2 пациентов имело место прогрессирования заболевания с развитием отдаленных метастазов, безметастатическая выживаемость составила 86,2 %. За период наблюдения (медиана 24 месяца) умерло 3 человека, все — от причин, не связанных с раком почки. 4-летняя скорректированная выживаемость составила 100 %, общая выживаемость — 85,2 %.</p></sec><sec><title>Выводы</title><p>Выводы: Полученные предварительные результаты свидетельствуют о том, что стереотаксическая лучевая терапия может быть использована у неоперабельных пациентов, однако необходимо более глубокое изучение отдаленных результатов после проведенного лечения на большей когорте пациентов.</p></sec></abstract><kwd-group xml:lang="ru"><kwd>почечно-клеточный рак</kwd><kwd>стереотаксическая лучевая терапия</kwd><kwd>общая выживаемость</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Percutaneous ablation or minimally invasive partial nephrectomy for cT1a renal masses? A propensity score-matched analysis / L. 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