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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">ojrdrt</journal-id><journal-title-group><journal-title xml:lang="ru">Онкологический журнал: лучевая диагностика, лучевая терапия</journal-title><trans-title-group xml:lang="en"><trans-title>Journal of oncology: diagnostic radiology and radiotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-7593</issn><issn pub-type="epub">2713-167X</issn><publisher><publisher-name>НЕКОММЕРЧЕСКОЕ ПАРТНЕРСТВО «ОБЩЕСТВО ИНТЕРВЕНЦИОННЫХ ОНКОРАДИОЛОГОВ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37174/2587-7593-2018-1-4-5-13</article-id><article-id custom-type="elpub" pub-id-type="custom">ojrdrt-76</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>ЛУЧЕВАЯ ТЕРАПИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RADIOTHERAPY</subject></subj-group></article-categories><title-group><article-title>Дозиметрический анализ клинического случая облучения метастазов в кожу головы</article-title><trans-title-group xml:lang="en"><trans-title>Dosimetric Analysis of Clinical Case of Radiation Therapy of Metastases in the Head Skin</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>Назаренко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nazarenko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горлачев</surname><given-names>Г. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorlachev</surname><given-names>G. E.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ggorlachev@outlook.com</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>Борисова</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisova</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федорова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гутник</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gutnik</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Солдатова</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Soldatova</surname><given-names>T. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина Минздрава РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N.N. Blokhin National Medical Research Center of Oncology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2018</year></pub-date><volume>1</volume><issue>4</issue><fpage>5</fpage><lpage>13</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Назаренко А.В., Горлачев Г.Е., Борисова Т.Н., Федорова А.А., Гутник Р.А., Солдатова Т.И., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Назаренко А.В., Горлачев Г.Е., Борисова Т.Н., Федорова А.А., Гутник Р.А., Солдатова Т.И.</copyright-holder><copyright-holder xml:lang="en">Nazarenko A.V., Gorlachev G.E., Borisova T.N., Fedorova A.A., Gutnik R.A., Soldatova T.I.</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.oncoradjournal.ru/jour/article/view/76">https://www.oncoradjournal.ru/jour/article/view/76</self-uri><abstract><sec><title>Цель</title><p>Цель: Проанализировать метод облучения метастазов в кожу головы на примере клинического случая с точки зрения эксклюзивного дозового распределения и толерантности тканей к облучению.</p></sec><sec><title>Материал и методы</title><p>Материал и методы: Анализ дозовых распределений выполнен в системе планирования лучевой терапии Eclipse (Varian). Рассмотрены техники облучения пучками модулированной интенсивности IMRT и RapidARC при использовании болюсов и без таковых. При анализе дозовых распределений учитывались ограничения систем планирования при расчете доз в окрестности границ раздела гетерогенностей и использовались данные о свойствах этих распределений.</p></sec><sec><title>Результаты</title><p>Результаты: Продемонстрирована необходимость использования болюсов. В этом случае достигается высокая равномерность дозового распределения в мишени. Для защиты головного мозга необходимо использовать облучение пучками модулированной интенсивности. Облучение в технике RapidARC по сравнению с IMRT обусловливает формирование лучших дозовых распределений, а сеанс облучения короче по продолжительности. Дозовые нагрузки на кожу при терапевтической дозе излучения 39 Гр за 13 фракций не превышают толерантные уровни, приведенные в литературе. Облучение рассмотренного больного прошло без лучевых осложнений.</p></sec><sec><title>Заключение</title><p>Заключение: Облучение метастазов в кожу голову в дозе 39 Гр за 13 фракций является безопасным и эффективным при условии соблюдения двух правил. Необходимо использовать болюс толщиной порядка 5 мм, а облучение должно производиться ротационными пучками модулированной интенсивности (RapidARC, VMAT).</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose: Analyze the technique of irradiation of metastases in the scalp on the example of a clinical case from the point of view of dose distribution and tissue tolerance to radiation.</p></sec><sec><title>Material and methods</title><p>Material and methods: Analysis of dose distributions in the Eclipse radiotherapy planning system (Varian). The techniques of irradiation with IMRT and RapidARC modulated intensity beams with and without boluses are considered. The analysis of dose distributions took into account the limitations of the planning systems when calculating doses in the vicinity of the interfaces between the heterogeneities and used data on the properties of dose distributions.</p></sec><sec><title>Results</title><p>Results: Demonstrated the need to use boluses. In this case, a high uniformity of dose distribution in the target is achieved. To protect the brain, it is necessary to use irradiation with intensity modulated beams. Irradiation in the RapidARC technique compared with IMRT gives the best dose distribution and the exposure session is shorter in time. Dose loads on the skin at a therapeutic radiation dose of 39 Gy in 13 fractions do not exceed the tolerant levels given in the literature. The irradiation of the presented patient passed without complications.</p></sec><sec><title>Conclusion</title><p>Conclusion: Irradiation of metastases in the scalp at a dose of 39 Gy in 13 fractions is safe and effective, if sutisfy two rules. You must use a bolus about 0.5 cm thick, the irradiation technique should be rotational beams of modulated intensity (RapidARC, VMAT).</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>лучевая терапия</kwd><kwd>толерантность кожи</kwd><kwd>отсутствие электронного равновесия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>radiation therapy</kwd><kwd>skin tolerance</kwd><kwd>absence of electron equilibrium</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">Fraas B., Hunt M., Kutcher G. et al. AAPM Task Group 53: Quality assurance for clinical radiotherapy treatment planning // Med. Phys. 2008. Vol. 25. 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