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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">medvis</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская визуализация</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Visualization</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0763</issn><issn pub-type="epub">2408-9516</issn><publisher><publisher-name>RDS-Media Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24835/1607-0763-1491</article-id><article-id custom-type="elpub" pub-id-type="custom">medvis-1491</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>ГОЛОВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HEAD</subject></subj-group></article-categories><title-group><article-title>Возможности методов нейровизуализации в оценке временных этапов развития ишемического инсульта у детей</article-title><trans-title-group xml:lang="en"><trans-title>Potential of neuroimaging methods in assessing the time stages of development of ischemic stroke in children</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7295-1708</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Молодцов</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Molodtsov</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Молодцов Максим Сергеевич – канд. мед. наук, врач-рентгенолог ГБУЗ города Москвы “Городская клиническая больница имени Л.А. Ворохобова ДЗ города Москвы”;аспирант (09.2020–02.2024) ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”, Москва<ext-link xlink:href="https://orcid.org/0000-0002-7295-1708" ext-link-type="uri">https://orcid.org/0000-0002-7295-1708</ext-link></p></bio><bio xml:lang="en"><p>Maxim S. Molodtsov – Cand. of Sci. (Med.), radiologist of tomography department, L.A. Vorokhobov City Clinical Hospital of Moscow Healthcare Department;postgraduate (09.2020–02.2024) of the Morozov Children's Clinical Hospital of Moscow Healthcare Department, Moscowhttps://orcid.org/0000-0002-7295-1708</p></bio><email xlink:type="simple">dr.mmolodtsov@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0159-781X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горбунов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbunov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горбунов Александр Валерьевич – доктор мед. наук, врач-рентгенолог ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”; профессор кафедры неонатологии ФДПО ФГАОУ ВО Российский национальный исследовательский медицинский университет им. Н.И. Пирогова Минздрава России, Москваhttps://orcid.org/0000-0002-0159-781X </p></bio><bio xml:lang="en"><p>Alexander V. Gorbunov – Doct. of Sci. (Med.), radiologist at the Morozov Children's Clinical Hospital of Moscow Healthcare Department;  Professor, Department of Neonatology, of the Federal Faculty of Postgraduate Education, Pirogov Russian National Research Medical University, Moscowhttps://orcid.org/0000-0002-0159-781X</p></bio><email xlink:type="simple">AGorbunov@morozdgkb.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/0000-0001-7821-0997</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Умеренков</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Umerenkov</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Умеренков Виктор Николаевич – заведующий нейрохирургическим отделением, врач-нейрохирург ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”, Москваhttps://orcid.org/0000-0001-7821-0997</p></bio><bio xml:lang="en"><p>Victor N. Umerenkov – chief of the neurosurgical department, neurosurgeon, Morozov Children's Clinical Hospital of Moscow Healthcare Department, Moscowhttps://orcid.org/0000-0001-7821-0997</p></bio><email xlink:type="simple">VUmerenkov@morozdgkb.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6012-250X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кессель</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kessel</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кессель Александр Евгеньевич – заведующий неврологическим отделением, врач-невролог ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”, Москваhttps://orcid.org/0000-0001-6012-250X</p></bio><bio xml:lang="en"><p>Alexandr E. Kessel – chief of the neurological department, neurologist, Morozov Children's Clinical Hospital of Moscow Healthcare Department, Moscowhttps://orcid.org/0000-0001-6012-250X</p></bio><email xlink:type="simple">AKessel@morozdgkb.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0344-9765</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Александра Андреевна – руководитель Центра по лечению цереброваскулярной патологии детей и подростков, врач-невролог, врач-нейрофизиолог ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”, Москваhttps://orcid.org/0000-0002-0344-9765</p></bio><bio xml:lang="en"><p>Alexandra A. Kuznetsova – chief of the Center for the treatment of cerebrovascular pathology of children and adolescents, neurologist, neurophysiologist, Morozov Children's Clinical Hospital of Moscow Healthcare Department, Moscowhttps://orcid.org/0000-0002-0344-9765</p></bio><email xlink:type="simple">AKuznetsova@morozdgkb.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6926-3165</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хасанова</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khasanova</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хасанова Ксения Андреевна – канд. мед. наук, заведующая отделением лучевой диагностики, врач-рентгенолог ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”, Москва<ext-link xlink:href="https://orcid.org/0000-0001-6926-3165" ext-link-type="uri">https://orcid.org/0000-0001-6926-3165</ext-link></p></bio><bio xml:lang="en"><p>Ksenia A. Khasanova – Cand. of Sci. (Med.), chief of the Department of Radiation Diagnostics, Radiologist, Morozov Children's Clinical Hospital of Moscow Healthcare Department, Moscowhttps://orcid.org/0000-0001-6926-3165</p></bio><email xlink:type="simple">KHasanova@morozdgkb.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3035-9375</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Левов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Levov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Левов Александр Вячеславович – врач-нейрохирург ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”, Москва<ext-link xlink:href="https://orcid.org/0000-0003-3035-9375" ext-link-type="uri">https://orcid.org/0000-0003-3035-9375</ext-link></p></bio><bio xml:lang="en"><p>Aleksandr V. Levov – neurosurgeon, Morozov Children's Clinical Hospital of Moscow Healthcare Department, Moscow<ext-link xlink:href="https://orcid.org/0000-0003-3035-9375" ext-link-type="uri">https://orcid.org/0000-0003-3035-9375</ext-link></p></bio><email xlink:type="simple">ALevov@morozdgkb.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”&#13;
ГБУЗ города Москвы “Городская клиническая больница имени Л.А. Ворохобова ДЗ города Москвы”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Morozov Children's Clinical Hospital of Moscow Healthcare Department; L.A. Vorokhobov City Clinical Hospital of Moscow Healthcare Department</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”; &#13;
ФГАОУ ВО Российский национальный исследовательский медицинский университет им. Н.И. Пирогова Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Morozov Children's Clinical Hospital of Moscow Healthcare Department; Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ГБУЗ города Москвы “Морозовская детская городская клиническая больница ДЗ города Москвы”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Morozov Children's Clinical Hospital of Moscow Healthcare Department</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>11</month><year>2025</year></pub-date><volume>29</volume><issue>4</issue><fpage>10</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Молодцов М.С., Горбунов А.В., Умеренков В.Н., Кессель А.Е., Кузнецова А.А., Хасанова К.А., Левов А.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Молодцов М.С., Горбунов А.В., Умеренков В.Н., Кессель А.Е., Кузнецова А.А., Хасанова К.А., Левов А.В.</copyright-holder><copyright-holder xml:lang="en">Molodtsov M.S., Gorbunov A.V., Umerenkov V.N., Kessel A.E., Kuznetsova A.A., Khasanova K.A., Levov A.V.</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://medvis.rdsmedia.ru/jour/article/view/1491">https://medvis.rdsmedia.ru/jour/article/view/1491</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Проанализировать данные компьютерной (КТ) и магнитно-резонансной томографии (МРТ) у детей с ишемическим инсультом на разных временных этапах патологического процесса и определить значение полученных результатов.</p></sec><sec><title>Материал и методы</title><p>Материал и методы. В основу исследования положен анализ результатов обследования 105 детей (в возрасте от 29-го дня жизни до 18 лет) с клиническими проявлениями инсульта, которым проведена КТ в 48 и МРТ в 101 случае, из них сочетание было в 44 случаях. При статистическом сравнении характеристик МРТ-сигнала очага ишемического нарушения мозгового кровообращения (иНМК) в режимах Т2ВИ и FLAIR применялся критерий Мак-Немара. При описательной статистике использовалось определение медианы, а при качественных данных – определение абсолютных и относительных частот с указанием 95% доверительного интервала.</p></sec><sec><title>Результаты исследования</title><p>Результаты исследования. КТ позволяет выявить очаговое поражение при иНМК на начальных этапах его развития в 62,5% случаев, но не дает возможность дифференцировать стадию, в отличие от МРТ, которая позволяет определить сверхострую, острую, раннюю и позднюю подострую стадии. В связи с малоразличимыми характеристиками МРТ-сигнала от очага иНМК на Т2-, Т1ВИ, FLAIR и ДВИ (b = 1000) в сочетании с ИКД картой в острую и раннюю подострую стадии необходимо проводить анализ перифокальных изменений очага ишемии головного мозга (ГМ). Установлено, что в острую и раннюю подострую стадии режимы Т2ВИ и FLAIR могут быть взаимозаменяемы, так как имеют одинаковые характеристики МР-сигнала очагового изменения в этот временной промежуток.</p></sec><sec><title>Обсуждение</title><p>Обсуждение. Проведенное исследование продемонстрировало возможности КТ и МРТ у детей с иНМК в выявлении и определении временных этапов развития патологического процесса. Определена МРТ-семиотика очага иНМК на этапе первых 21 сут от момента развития неврологической симптоматики. Установлен диагностический МРТ-признак, позволяющий дифференцировать острую с ранней подстрой стадией, а также режимы при МРТ-обследовании, необходимые для установления времени от момента возникновения неврологической симптоматики. Выявлены различия в МРТ-семиотике иНМК у детей и взрослых, которые могут возникать в результате физиологических особенностей детского мозга, обусловливающих течение патологического процесса.</p></sec><sec><title>Заключение</title><p>Заключение. Нейровизуализация методами КТ и МРТ является обязательной у детей с клинической картиной нарушения мозгового кровообращения. Отсутствие очагового поражения в веществе ГМ на КТ-изображениях с сохраняющейся или нарастающей неврологической симптоматикой создает потребность в проведении МРТ. Применение КТ дает возможность определить очаговое поражение вещества ГМ, но не позволяет оценить временные границы развития иНМК, в отличие от МРТ, которая на основании совокупного анализа разных режимов сканирования и оценки периферических отделов очагового поражения позволяет дифференцировать стадийность ишемического инсульта. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose of the study</title><p>Purpose of the study. To analyze the data of computed tomography (СТ) and magnetic resonance imaging (MRI) in children with ischemic stroke at different time stages of the pathological process and determine the significance of the results obtained.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The study is based on the analysis of the examination results of 105 children (aged from 29 days to 18 years) with clinical manifestations of stroke, who underwent CT in 48 cases and MRI in 101 cases, of which a combination was in 44 cases. In statistical comparison of the characteristics of the MRI signal of the focus of ischemic cerebrovascular accident (iCVA) in T2-WI and FLAIR modes, the McNemar criterion was used. In descriptive statistics, the definition of the median (Me) was used, and in qualitative data – the definition of absolute and relative frequencies with an indication of the 95% confidence interval (CI).</p></sec><sec><title>Research results</title><p>Research results. CT allows to detect focal lesion in ischemic stroke at the initial stages of its development in 62.5% of cases, but does not provide the opportunity to differentiate the stage, unlike MRI, which allows to determine the hyperacute, acute, early and late subacute stages. Due to the poorly distinguishable characteristics of the MRI signal from the focus of ischemic stroke on T2-WI, T1-WI, FLAIR and DWI (b = 1000) in combination with the ADC map in the acute and early subacute stages, it is necessary to analyze perifocal changes in the focus of cerebral ischemia. It was found that in the acute and early subacute stages, the T2-WI and FLAIR modes can be interchangeable, since they have the same characteristics of the MR signal of the focal change in this time interval.</p></sec><sec><title>Discussion</title><p>Discussion. The conducted study demonstrated the capabilities of CT and MRI in children with iCVA in identifying and determining the time stages of the pathological process development. MRI semiotics of the iCVA focus at the stage of the first 21 days from the moment of development of neurological symptoms were determined. A diagnostic MRI sign was established that allows differentiating the acute with the early subacute stage, as well as the modes in MRI examination necessary to establish the time from the moment of occurrence of neurological symptoms. Differences in MRI semiotics of iCVA in children and adults were revealed, which can occur as a result of physiological features of the child's brain, causing the course of the pathological process.</p></sec><sec><title>Conclusions</title><p>Conclusions. Neuroimaging using CT and MRI methods is mandatory in children with a clinical picture of cerebrovascular accident. The absence of focal lesions in the brain tissue on CT images with persistent or increasing neurological symptoms creates the need for MRI. The use of CT makes it possible to determine focal lesions in the brain tissue, but does not allow assessing the time limits for the development of ischemic stroke, unlike MRI, which, based on a combined analysis of different scanning modes and assessment of the peripheral parts of the focal lesion, allows differentiating the stages of ischemic stroke.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>КТ</kwd><kwd>МРТ</kwd><kwd>детский возраст</kwd><kwd>инфаркт мозга</kwd><kwd>ишемический инсульт</kwd></kwd-group><kwd-group xml:lang="en"><kwd>CT</kwd><kwd>MRI</kwd><kwd>childhood</kwd><kwd>cerebral infarction</kwd><kwd>ischemic stroke</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">Володин Н.Н., Выхристюк О.Ф., Горбунов А.В., Колтунов И.Е., Петряйкина Е.Е., Селивёрстова Е.В., Щедеркина И.О. 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