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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">10.22328/2079-5343-2019-10-3-42-52</article-id><article-id custom-type="elpub" pub-id-type="custom">ldt-431</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>СОПОСТАВЛЕНИЕ ДИФФУЗИОННО-ВЗВЕШЕННОЙ МРТ И ПЭТ/КТ С [11С]МЕТИОНИНОМ У БОЛЬНЫХ С ГЛИАЛЬНЫМИ ОПУХОЛЯМИ ГОЛОВНОГО МОЗГА</article-title><trans-title-group xml:lang="en"><trans-title>DIRECT COMPARISON BETWEEN DIFFUSION-WEIGHTED MRI AND PET/CT WITH [11С]METHIONINE IN PATIENTS WITH CEREBRAL GLIOMAS</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>Скворцова</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Skvortsova</surname><given-names>T. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Скворцова Татьяна Юрьевна — кандидат медицинских наук, ведущий научный сотрудник лаборатории нейровизуализации</p><p>197376, Санкт-Петербург, ул. Акад. Павлова, д. 9</p></bio><email xlink:type="simple">tanya@ihb.spb.ru</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>Савинцева</surname><given-names>Ж. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Savintceva</surname><given-names>Zh. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савинцева Жанна Игоревна — научный сотрудник лаборатории нейровизуализации, врач-рентгенолог кабинета МРТ отделения лучевой диагностики клиники</p><p>197022, Санкт-Петербург, ул. Акад. Павлова, д. 9</p></bio><email xlink:type="simple">jeanna.mri@ihb.spb.ru</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>Захс</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zakhs</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Захс Дмитрий Владимирович — врач-радиолог кабинета ПЭТ/КТ отделения лучевой диагностики клиники</p><p>197022, Санкт-Петербург, ул. Акад. Павлова, д. 9</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>Гурчин</surname><given-names>А. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurchin</surname><given-names>A. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гурчин Александр Феликсович — кандидат медицинских наук старший научный сотрудник лаборатории нейровизуализации</p><p>197022, Санкт-Петербург, ул. Акад. Павлова, д. 9</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>Холявин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kholyavin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Холявин Андрей Иванович — доктор медицинских наук, заведующий лабораторией стереотаксических методов</p><p>197022, Санкт-Петербург, ул. Акад. Павлова, д. 9</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>Трофимова</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Trofimova</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трофимова Татьяна Николаевна — доктор медицинских наук, профессор, главный научный сотрудник лаборатории нейровизуализации</p><p>197022, Санкт-Петербург, ул. Акад. Павлова, д. 9</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт мозга человека им. Н. П. Бехтеревой Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. P. Bechtereva Institute of the Human Brain of Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>10</month><year>2019</year></pub-date><volume>0</volume><issue>3</issue><fpage>42</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скворцова Т.Ю., Савинцева Ж.И., Захс Д.В., Гурчин А.Ф., Холявин А.И., Трофимова Т.Н., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Скворцова Т.Ю., Савинцева Ж.И., Захс Д.В., Гурчин А.Ф., Холявин А.И., Трофимова Т.Н.</copyright-holder><copyright-holder xml:lang="en">Skvortsova T.Y., Savintceva Z.I., Zakhs D.V., Gurchin A.F., Kholyavin A.I., Trofimova T.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/431">https://radiag.bmoc-spb.ru/jour/article/view/431</self-uri><abstract><p>Цель исследования состояла в определении диагностической значимости диффузионно-взвешенной МРТ (ДВИ) и позитронно-эмиссионная томография, совмещенная с компьютерной томографией (ПЭТ/КТ) с [11С]метионином для разграничения глиальных опухолей головного мозга низкой и высокой степеней злокачественности, а также сравнение пространственного распределения нарушений диффузии и захвата [11С]метионина.</p><sec><title>Материалы и методы</title><p>Материалы и методы. В ретроспективный анализ включено 46 пациентов с верифицированными глиомами, которым выполнялись ДВИ и ПЭТ/КТ с [11С]метионином. Количественный анализ включал в себя измерение минимального значения измеряемого коэффициента диффузии (ИКД) в опухоли (ИКДmin) и индекса максимального накопления [11С]метионина (ИНmax), измеренного по отношению к неизмененной коре мозга. Также вычислены средние значения ИКД (ИКДср.) и ИН (ИНср.) для каждой опухоли. Установлена диагностическая значимость ИКД и ИН для разграничения глиом с высокой и низкой степенью анаплазии, произведен корреляционный анализ показателей и визуальное сопоставление карт ИКД и ПЭТ.</p></sec><sec><title>Результаты</title><p>Результаты. Корреляционный анализ выявил значимые обратные корреляции между значениями ИКДmin и ИНmax (r=–0,82) также между ИКДср. и ИНср. (r=–0,56). Показатель ИНmax обладал самыми высокими операционными характеристиками в дифференциации глиом низкой и высокой степени анаплазии. При визуальном анализе зоны минимального ИКД не совпадали с зонами максимального захвата метионина в 34% случаев, а у 66% совпадение было полным или частичным.</p></sec><sec><title>Заключение</title><p>Заключение. Диагностическая информативность ПЭТ/КТ с [11С]метионином в уточнении степени злокачественности глиомы превышает ДВИ-МРТ, и для обоих методов предпочтительным является анализ малого объема опухоли с наибольшим отклонением измеряемого показателя. Показатели ИКДmin и ИНmax показывают высокий уровень обратной корреляции. Высокий процент расхождения между внутриопухолевыми фокусами минимальной диффузии и максимального захвата аминокислоты может быть следствием различных патоморфологических процессов, лежащих в основе их основе.</p></sec></abstract><trans-abstract xml:lang="en"><p>The aim of the study was to assess the diagnostic value of MR diffusion imaging (DWI) and hybrid positron emission and computed tomography (PET/CT) with [11C]methionine for glioma grading and to compare the spatial distribution of diffusion restriction and [11C]methionine uptake abnormalities within a tumor.</p><sec><title>Material and methods</title><p>Material and methods: MRI with diffusion sequences and PET/CT with [11C]methionine were performed for 46 patients with untreated histologically proven brain gliomas. Quantitative evaluation included the minimal apparent diffusion coefficient value (ADCmin) in the tumor and maximum [11C]methionine uptake ratio, measured as ratio of highest tumor count density to that of the brain cortex(tumor-to-cortex-T/Cmax). Mean measurements of ADC (ADCmean) and T/C (T/Cmean) were obtained for each tumor. The ADC and T/Cratio values for glioma grading were assessed and correlations were evaluated. In addition PET and ADC images were coregistered to each other.</p></sec><sec><title>Results</title><p>Results: The T/Cmax and ADCmin values were significantly negatively correlated (r=–0,82). The T/Cmean and ADCmean measurements also demonstrated the significant negative correlation (r=0,56). The T/Cmax showed best accuracy in glioma grading. Sites of maximal radiotracer uptake and minimal ADC did not match in 34% of cases and in 66% of tumors the match was partial.</p></sec><sec><title>Conclusion</title><p>Conclusion: Diagnostic accuracy of PET/CT using [11C]methionine in glioma grading exceeds DWI-MRI, and for both methods it is preferable to analyze a small tumor volume. The T/C ratios and ADC measurements demonstrate the significant inverse correlations. High rate of mismatch between spatial distribution of increased [11C]methionine uptake and low ADC areas within a tumor could be a result of different biological features registered by PET and DWI.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>диффузионно-взвешенная МРТ</kwd><kwd>ИКД</kwd><kwd>глиома</kwd><kwd>ПЭТ/КТ</kwd><kwd>[11C]метионин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>diffusion magnetic resonance imaging</kwd><kwd>ADC</kwd><kwd>glioma</kwd><kwd>PET/CT</kwd><kwd>[11C]methionine</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">Ostrom Q.T., Gittleman H., Liao P., Vecchione-Koval Y., Wolinsky Y., Kluchko C., Barnholtz-Sloan J.S. CBTRUS statistical report: primary brain and central nervous system tumors diagnosed in the United States in 2010–2014 // Neuro-Oncol. 2017. Vol. 19 (S5). Р. 1–88. 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