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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2020-1-137-143</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-232</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>КОНТРОЛЬ КАЧЕСТВА СОВМЕЩЕНИЯ ИЗОБРАЖЕНИЯ В ПЭТ/КТ И АНАЛИЗ ПРОБЛЕМ ГИБРИДНОЙ ВИЗУАЛИЗАЦИИ ПРИ ПЛАНИРОВАНИИ ЛУЧЕВОЙ ТЕРАПИИ</article-title><trans-title-group xml:lang="en"><trans-title>ASSESSMENT OF THE QUALITY OF IMAGE MATCHING IN PET / CT AND ANALYSIS OF HYBRID IMAGING PROBLEMS IN RADIOTHERAPY PLANNING</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>Емельяненко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Emelyanenko</surname><given-names>E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</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>Петкевич</surname><given-names>М. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Petkevich</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">РНПЦ онкологии и медицинской радиологии им. Н.Н. Александрова<country>Беларусь</country></aff><aff xml:lang="en">N.N. Alexandrov National Cancer Centre of Belarus<country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2020</year></pub-date><volume>0</volume><issue>1</issue><fpage>137</fpage><lpage>143</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Емельяненко Е.В., Петкевич М.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Емельяненко Е.В., Петкевич М.Н.</copyright-holder><copyright-holder xml:lang="en">Emelyanenko E., Petkevich M.</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://journals.nnc.kz/jour/article/view/232">https://journals.nnc.kz/jour/article/view/232</self-uri><abstract><p>Достоверность получения качественной и количественной информации в позитронно-эмиссионной томографии зависит от уровня углубленности контроля качества диагностического изображения. С учетом активного применения процедуры планирования лучевой терапии с использованием позитронно-эмиссионной томографии, совмещенной с компьютерной томографией, актуальной задачей становится оценка точности совмещения модальностей диагностических изображений. В данной работе выполнена оценка расхождения объемов очагов накопления РФП (при совмещении ПЭТ и КТ модальностей изображений), с использованием компьютерной системы планирования лучевой терапии. Рассмотрено влияние дополнительных факторов, которые могут повлиять на корректное совмещение изображений: времяпролетная технология, количество подмножеств (число свободных проекций, использующихся при реконструкции). Получены функциональные зависимости расхождения объемов модальностей (ПЭТ и КТ изображений) от объема потенциальных очагов накопления (в качестве которых использованы горячие сферы) радиофармацевтического препарата. Выполнена оценка расхождения диаметров сфер измеренных на КТ изображении с реальными диаметрами сфер.</p></abstract><trans-abstract xml:lang="en"><p>The reliability of obtaining qualitative and quantitative information in positron emission tomography depends on the level of depth of quality control of the diagnostic image. Given the active application of the procedure for planning radiation therapy using positron emission tomography combined with computed tomography, an urgent task is to assess the accuracy of combining the modalities of diagnostic images. In this work, we estimated the discrepancy between the volumes of the radiopharmaceutical accumulation foci (when combining PET and CT modalities of images) using a computer-based radiation therapy planning system. The influence of additional factors that may affect the correct combination of images is considered: time-of-flight technology, the number of subsets (the number of free projections used during reconstruction). The functional dependences of the discrepancy between the volumes of modalities (PET and CT images) on the volume of potential foci of accumulation (which are used as hot spheres) of the radiopharmaceutical preparation are obtained. The discrepancy between the diameters of the spheres measured on a CT image with the real diameters of the spheres is estimated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ПЭТ/КТ</kwd><kwd>контурирование</kwd><kwd>планирование</kwd><kwd>контроль качества</kwd><kwd>модальность</kwd><kwd>лучевая терапия</kwd><kwd>совмещение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>quality control</kwd><kwd>protocol</kwd><kwd>quality assurance</kwd><kwd>phantom</kwd><kwd>image</kwd><kwd>positron emission tomograph</kwd><kwd>computed tomograph</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">Pablo Galve, Jose Manuel Udias, Alejandro Lopez-Montes, and Joaquín L. Herraiz “Super-iterative image reconstruction in PET”, Proc. 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