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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">10.22328/2079-5343-2021-12-3-80-86</article-id><article-id custom-type="elpub" pub-id-type="custom">ldt-638</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>Особенности физиологического распределения 68Ga-ПСМА и его значение в дифференциальной диагностике метастатического поражения лимфатических узлов у больных раком предстательной железы</article-title><trans-title-group xml:lang="en"><trans-title>Features of the physiological distribution of 68Ga-PSMA and its importance in the differential diagnosis of metastatic lesions of lymph nodes in patients with prostate cancer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2195-2401</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Долбов</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolbov</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p> врач-рентгенолог, младший научный сотрудник отделения радиоизотопной позитронной эмиссионной томографии </p><p>197758, Санкт-Петербург, Ленинградская ул., д. 70</p><p>SPIN 6447–7663, Author ID 1096925; Scopus Author ID 57203140829 </p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1630-0564</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Станжевский</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stanjevskiy</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> доктор медицинских наук, заместитель директора по научной работе </p><p>197758, Санкт-Петербург, Ленинградская ул., д. 70</p><p>SPIN 4025–4260, Author ID 199418; Scopus Author ID 8857214600 </p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><email xlink:type="simple">stanzhevsky@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/0000-0003-1742-7783</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Розенгауз</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozengauz</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> доктор медицинских наук, главный научный сотрудник отдела лучевой диагностики; профессор кафедры лучевой диагностики и лучевой терапии</p><p>197758, Санкт-Петербург, Ленинградская ул., д. 70</p><p> 191015, Санкт-Петербург, Кирочная ул., д. 41</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><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</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Center of Radiology and Surgical Technologies named after academician A. M. Granov</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;&#13;
Северо-Западный государственный медицинский университет имени И. И. Мечникова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Center of Radiology and Surgical Technologies named after academician A. M. Granov;&#13;
North-Western State Medical University named after I. I. Mechnikov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>08</day><month>12</month><year>2021</year></pub-date><volume>12</volume><issue>3</issue><fpage>80</fpage><lpage>86</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Долбов А.Л., Станжевский А.А., Розенгауз Е.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Долбов А.Л., Станжевский А.А., Розенгауз Е.В.</copyright-holder><copyright-holder xml:lang="en">Dolbov A.L., Stanjevskiy A.A., Rozengauz E.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://radiag.bmoc-spb.ru/jour/article/view/638">https://radiag.bmoc-spb.ru/jour/article/view/638</self-uri><abstract><p>Появление новых радиофармпрепаратов на основе простатспецифического мембранного антигена значительно повысило точность диагностики рака предстательной железы. Физиологическое накопление 68Ga-ПСМА в симпатических ганглиях имеет большое значение при диагностике метастатического поражения лимфатических узлов. Ошибочная трактовка изображений может привести к некорректному выбору тактики лечения рака предстательной железы.Цель исследования: улучшить диагностику РПЖ с помощью уточненных данных о физиологическом накоплении 68GaПСМА. Выявить источники потенциальных ошибок в интерпретации ПЭТ/КТ с 68Ga-ПСМА.Материалы и методы. С целью стадирования верифицированного РПЖ в нашем центре была выполнена ПЭТ/КТ с 68GaПСМА у 109 мужчин. Все пациенты разделены на группы по уровню простатспецифического антигена, сумме Глисона, а также d’Amico.Результаты. У всех пациентов мы наблюдали накопление РФП в шейных, чревных и пресакральных ганглиях. Уровень захвата радиотрейсера был в пределах SUV=1,6–2,3 (медиана SUV=1,9). При контрольном ПЭТ/КТ-исследовании после лечения накопление РФП в шейных, чревных и пресакральных ганглиях сохранялось на том же уровне, что позволяло идентифицировать выявленные изменения как вариант физиологической нормы.Заключение. Необходимо учитывать особенности физиологического распределения и накопления радиотрейсера в органах и тканях, в частности захват 68Ga-ПСМА симпатическими ганглиями. Это позволит избежать ложноположительных случаев при описании ПЭТ-КТ-изображений и даст возможность повысить информативность метода.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. The appearance of new radiopharmaceuticals based on prostate-specific membrane antigen has significantly increased the accuracy of prostate cancer diagnosis. The physiological accumulation of 68Ga-PSMA in the sympathetic ganglia is important in the diagnosis of metastatic lesions of the lymph nodes. Erroneous interpretation of images can lead to an incorrect choice of tactics for the treatment of prostate cancer.Purpose: improving the diagnosis of prostate cancer with the help of updated data on the physiological accumulation of 68GaPSMA. Identify the sources of potential errors in the interpretation of PET/CT with 68Ga-PSMA.Materials and methods. In order to stage the verified prostate cancer, PET was performed in our center/CT with 68Ga-PSMA in 109 men. All patients were divided into groups by the level of prostate-specific antigen, Gleason sum, and d’Amico.Results. In all patients, we observed the accumulation of RFP in the cervical, abdominal and presacral ganglia. The capture level of the radiotracer was in the range of SUV=1,6–2,3 (median SUV=1,9). In the control PET/CT study after treatment, the accumulation of RFP in the cervical, abdominal and presacral ganglia remained at the same values, which made it possible to identify the detected changes as a variant of the physiological norm.Conclusions. It is necessary to take into account the peculiarities of the physiological distribution and accumulation of radiotracer in organs and tissues, in particular, the capture of 68Ga-PSMA by sympathetic ganglia. This will avoid false-positive cases when describing PET-CT images and will make it possible to increase the informative value of the method.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ПЭТ/КТ</kwd><kwd>рак предстательной железы</kwd><kwd>68Ga-ПСМА</kwd><kwd>лимфатические узлы</kwd><kwd>симпатические ганглии</kwd><kwd>ПЭТвизуализация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>PET/CT</kwd><kwd>prostate cancer</kwd><kwd>68Ga-PSMA</kwd><kwd>lymph nodes</kwd><kwd>sympathetic ganglia</kwd><kwd>PET-imaging</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">Rider J.R. et al. Ejaculation Frequency and Risk of Prostate Cancer: Updated Results with an Additional Decade of Follow-up // Eur. Urol. 2016. Vol. 70. Р. 974.</mixed-citation><mixed-citation xml:lang="en">Rider J.R. et al. 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