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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">ldt</journal-id><journal-title-group><journal-title xml:lang="ru">Лучевая диагностика и терапия</journal-title><trans-title-group xml:lang="en"><trans-title>Diagnostic radiology and radiotherapy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5343</issn><publisher><publisher-name>Baltic Medical Education Center</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22328/2079-5343-2022-13-4-102-108</article-id><article-id custom-type="elpub" pub-id-type="custom">ldt-809</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 СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Возможности применения навигационной транскраниальной магнитой стимуляции как элемента предлучевой подготовки больных с опухолями головного мозга: пилотное исследование</article-title><trans-title-group xml:lang="en"><trans-title>Possibilities of using navigational transcranial magnetic stimulation as an element of radiotherapy preparation of patients with brain tumors: a pilot study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6714-6413</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карташев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kartashev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карташев Артём Владимирович — кандидат медицинских наук, врач-радиотерапевт, старший научный сотрудник, отдел лучевых и комбинированных методов лечения; доцент кафедры лучевой диагностики и лучевой терапии</p><p>SPIN-код 5675–9516</p><p>197758, Санкт-Петербург, пос. Песочный, Ленинградская ул., д. 70;</p><p>191015, Санкт-Петербург, Кирочная ул., д. 41</p></bio><bio xml:lang="en"><p>Artem V. Kartashev — Cand. of Sci. (Med.), Radiotherapist, Senior Researcher, Depart. of Radiation and Combined Methods of Treatment; Assoc. Prof., Depart. of Radiation Diagnostics and Radiation Therapy</p><p>St. Petersburg</p></bio><email xlink:type="simple">arxiator@mail.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/0000-0002-0901-5175</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Понежа</surname><given-names>Т. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponezha</surname><given-names>T. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Понежа Тамара Евгеньевна — медицинский физик</p><p>197758, Санкт-Петербург, пос. Песочный, Ленинградская ул., д. 70</p></bio><bio xml:lang="en"><p>Tamara. Y. Ponezha — Medical physicist Depart. of Radiation and Combined Methods of Treatment</p><p>St. Petersburg</p></bio><email xlink:type="simple">tamara_ponezha@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2476-6169</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гильванова</surname><given-names>Э. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gilvanova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гильванова Элина Вадимовна — клинический ординатор</p><p>197758, Санкт-Петербург, пос. Песочный, Ленинградская ул., д. 70</p></bio><bio xml:lang="en"><p>Elina V.Gilvanova — clinical resident Depart. of Radiation and Combined Methods of Treatment</p><p>St. Petersburg</p></bio><email xlink:type="simple">masiuka1@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2454-7353</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макаров</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Makarov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Макаров Виктор Евгеньевич — медицинский физик</p><p>197758, Санкт-Петербург, пос. Песочный, Ленинградская ул., д. 70</p></bio><bio xml:lang="en"><p>Viktor E. Makarov — Medical physicist Depart. of Radiation and Combined Methods of Treatment</p><p>St. Petersburg</p></bio><email xlink:type="simple">makarovve-med@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8422-0689</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ильин</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilyin</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ильин Николай Васильевич — доктор медицинских наук, врач-радиотерапевт</p><p>197758, Санкт-Петербург, пос. Песочный, Ленинградская ул., д. 70</p></bio><bio xml:lang="en"><p>Nikolaj V. Ilyin — Dr. of Sci. (Med.), Prof., Depart. of Radiation and Combined Methods of Treatment</p><p>St. Petersburg</p></bio><email xlink:type="simple">ilyin_prof@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0938-5213</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Виноградова</surname><given-names>Ю. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vinogradova</surname><given-names>Yu. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виноградова Юлия Николаевна — доктор медицинских наук, доцент, руководитель отдела лучевых и комбинированных методов лечения, главный научный сотрудник, профессор кафедры радиологии, хирургии и онкологии</p><p>SPIN-код 288560</p><p>197758, Санкт-Петербург, пос. Песочный, Ленинградская ул., д. 70</p></bio><bio xml:lang="en"><p>Yuliya N. Vinogradova — Dr. of Sci. (Med.), Radiotherapist, Head, Depart. of Radiation and Combined Methods of Treatment; Assoc. Prof., Depart. of Radiology, Surgery and Oncology</p><p>St. Petersburg</p></bio><email xlink:type="simple">winogradova68@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский научный центр радиологии и хирургических технологий имени академика А.М.Гранова; Северо-Западный государственный медицинский университет имени И.И.Мечникова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Scientific Center of Radiology and Surgical Technologies named after A.M.Granov; North-Western State Medical University named after I.I.Mechnikov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Российский научный центр радиологии и хирургических технологий имени академика А.М.Гранова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Scientific Center of Radiology and Surgical Technologies named after A.M.Granov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>18</day><month>01</month><year>2023</year></pub-date><volume>13</volume><issue>4</issue><fpage>102</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Карташев А.В., Понежа Т.Е., Гильванова Э.В., Макаров В.Е., Ильин Н.В., Виноградова Ю.Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Карташев А.В., Понежа Т.Е., Гильванова Э.В., Макаров В.Е., Ильин Н.В., Виноградова Ю.Н.</copyright-holder><copyright-holder xml:lang="en">Kartashev A.V., Ponezha T.Y., Gilvanova E.V., Makarov V.E., Ilyin N.V., Vinogradova Y.N.</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://radiag.bmoc-spb.ru/jour/article/view/809">https://radiag.bmoc-spb.ru/jour/article/view/809</self-uri><abstract><sec><title>ВВЕДЕНИЕ</title><p>ВВЕДЕНИЕ: Навигационная транскраниальная магнитная стимуляция (нТМС) применяется в нейрохирургической практике для выявления функционально важных двигательных зон головного мозга с целью безопасной резекции опухолевого очага. В то же время при планировании лучевой терапии (ЛТ) и определения объема облучения до последнего времени не учитывались функционально значимые зоны топического представительства скелетной мускулатуры в коре головного мозга. В данном исследовании оценивается применение картирования двигательных областей коры головного мозга с помощью нТМС при планировании ЛТ у пациентов со злокачественными глиомами, затрагивающими моторную кору.</p></sec><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ: Оценить возможности навигационной транскраниальной магнитной стимуляции в предлучевой подготовке больных с опухолями головного мозга.</p></sec><sec><title>МАТЕРИАЛЫ И МЕТОДЫ</title><p>МАТЕРИАЛЫ И МЕТОДЫ: В исследование включен 31 пациент с глиомами высокой степени злокачественности, получавший лучевое и/или химиолучевое лечение в РНЦРХТ с 2020 по 2022 г. Медиана наблюдения составил 12,1 мес (3,0– 24,5 мес.), при этом все пациенты были прослежены до контрольного, 3-месячного срока наблюдения после окончания курса лучевой терапии. 23 пациента явились на контроль через 6 месяцев (два пациента умерли в период между 3-месячным и 6-месячным контролем).</p></sec><sec><title>Статистика</title><p>Статистика: анализ выполнялся с применением пакета прикладных программ Statistica 10,0 (StatSoft, Inc., США).</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ: У трех из 31 пациентов наблюдалось улучшение моторной функции, в то время как у восьми из 31 пациентов она снизилась. Более того, при сравнении предоперационного состояния с состоянием во время контрольных осмотров через шесть месяцев после лучевой терапии, у трех пациентов моторная функция улучшилась, а у восьми — снизилась. Карты моторных зон нТМС перекрывались PTV на 41,2%. Средняя доза Dmean карт нТМС составила 42,3 Гр (3,7–61,1 Гр) и 37,0 Гр (3,6–55,8 Гр) с ограничением 45 Гр на двигательную зону. Таким образом, средняя доза Dmean по картам моторных зон нТМС была значительно снижена на 5,3±3,3 Гр (14,3%, p&lt;0,05). Средняя доза Dmean по картам нТМС была снижена на 4,6±3,5 Гр (12,8%, p&lt;0,05) до 37,8 Гр. Средний объем карт нТМС, получивших дозу, равную или более 45 Гр и 55 Гр, может быть значительно уменьшен на 11,3% и 8,4% соответственно, при ограничении дозы (p&lt;0,001). На анатомические ОР (органы риска) (хиазма зрительных нервов и ствол мозга) не было оказано никакого влияния в отношении средней дозы Dmean или максимальной дозы с повышением дозы до GTV.</p></sec><sec><title>ОБСУЖДЕНИЕ</title><p>ОБСУЖДЕНИЕ: В нашем исследовании было показано, что карты моторных зон нТМС могут быть использованы при планировании ЛТ пациентов с глиомами высокой степени злокачественности. До настоящего времени первичная моторная кора в качестве ОР у таких пациентов не рассматривалась. Результаты исследования продемонстрировали, что доза по отношению к картам моторных зон нТМС может быть значительно снижена без влияния на лечебные дозы для PTV.</p></sec><sec><title>ЗАКЛЮЧЕНИЕ</title><p>ЗАКЛЮЧЕНИЕ: Планирование ЛТ с использованием моторных карт нТМС может помочь снизить дозу излучения на моторную кору при первичной ЛТ, хотя моторная кора представляется морфологически довольно нечувствительной к ЛТ по сравнению с речевыми зонами и зонами когнитивных процессов высокого порядка, такими как височная и лимбическая кора.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>INTRODUCTION</title><p>INTRODUCTION: Navigational transcranial magnetic stimulation (NTMs) is used in neurosurgical practice to identify functionally important motor areas of the brain for the purpose of safe resection of a tumor focus. At the same time, when planning radiation therapy (LT) and determining the amount of irradiation, until recently, functionally significant zones of topical representation of skeletal muscles in the cerebral cortex were not taken into account. This study evaluates the use of mapping motor areas of the cerebral cortex using NTMs when planning LT in patients with malignant gliomas affecting the motor cortex.</p></sec><sec><title>OBJECTIVE</title><p>OBJECTIVE: To evaluate the possibilities of navigational transcranial magnetic stimulation in the pre-radiation preparation of patients with brain tumors.</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS: The study included 31 patients with gliomas of a high degree of malignancy who received radiation and/or chemoradiotherapy at the RSCRT from 2020 to 2022. The median follow-up was 12.1 months (3.0–24.5 months), while all patients were followed up to the control, 3-month follow-up period after the end of the course of radiation therapy, 23 patients showed up for control after 6 months (two patients died between 3-month and 6-month control).</p></sec><sec><title>Statistics</title><p>Statistics: analysis was performed using the Statistica 10.0 software (StatSoft, Inc., USA).</p></sec><sec><title>RESULTS</title><p>RESULTS: Three out of 31 patients had improved motor function, while eight out of 31 patients had decreased motor function. Moreover, when comparing the preoperative condition with the condition during control examinations six months after radiation therapy, motor function improved in three patients, and decreased in eight. Maps of motor zones of NTMs overlapped PTV by 41.2%. The average dose of Dmean maps of NTMs was 42.3 Gy (3.7–61.1 Gy) and 37.0 Gy (3.6–55.8 Gy) with a limit of 45 Gy per motor zone. Thus, the average dose of Dmean according to the maps of the motor zones of NTMs was significantly reduced by 5.3±3.3 Gy (14.3%, p&lt;0.05). The average dose of Dmean on NTMs cards was reduced by 4.6±3.5 Gy (12.8%, p&lt;0.05) to 37.8 Gy. The average volume of NTMs cards receiving a dose equal to or greater than 45 Gy and 55 Gy can be significantly reduced by 11.3% and 8.4%, respectively, with dose restriction (p&lt;0.001). Anatomical ORS (optic nerve chiasm and brain stem) were not affected in relation to the average dose of Dmean or the maximum dose with an increase in the dose to GTV.</p></sec><sec><title>DISCUSSION</title><p>DISCUSSION: In our study, it was shown that maps of the motor zones of NTMs can be used in the planning of LT patients with gliomas of high malignancy. To date, the primary motor cortex has not been considered as an OR in such patients. The results of the study demonstrated that the dose in relation to the maps of the motor zones of NTMs can be significantly reduced without affecting the therapeutic doses for PTV.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION: LT planning using NTMs motor maps can help reduce the radiation dose to the motor cortex in primary LT, although the motor cortex appears morphologically rather insensitive to LT compared to speech zones and areas of high-order cognitive processes, such as the temporal and limbic cortex.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>навигационная транскраниальная магнитная стимуляция</kwd><kwd>лучевая терапия</kwd><kwd>злокачественные глиомы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>navigational transcranial magnetic stimulation</kwd><kwd>radiation therapy</kwd><kwd>malignant gliomas</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено в рамках госзадания № 37.8–2021 № 121040200139-1. Разработка функционально-адаптивной радиохирургии опухолей головного мозга путем применения методики функциональной диагностики зон топического представительства скелетных мышц.</funding-statement><funding-statement xml:lang="en">The study was carried out within the framework of state task No. 37.8–2021 No. 121040200139-1. Development of functional adaptive radiosurgery of brain tumors by applying the technique of functional diagnostics of areas of topical representation of skeletal muscles.</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">Louis D.N., Perry A., Reifenberger G., von Deimling A., Figarella-Branger D., Cavenee W.K. et al. The 2016 World Health Organization classification of tumors of the central nervous system: a summary // Acta Neuropathol. 2016. Vol. 131. 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