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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">10.22328/2079-5343-2018-4-21-30</article-id><article-id custom-type="elpub" pub-id-type="custom">ldt-338</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>МЕТАБОЛИЧЕСКАЯ ПСЕВДОПРОГРЕССИЯ - НОВЫЙ ФЕНОМЕН ПРИ МОНИТОРИНГЕ ЛЕЧЕНИЯ БОЛЬНЫХ СО ЗЛОКАЧЕСТВЕННЫМИ ЦЕРЕБРАЛЬНЫМИ ГЛИОМАМИ ПРИ ПОМОЩИ ПЭТ/КТ С [11С]МЕТИОНИНОМ</article-title><trans-title-group xml:lang="en"><trans-title>METABOLIC PSEUDOPROGRESSION AS NEW PHENOMENON ON [11C]METHIONINE PET/CT DURING TREATMENT MONITORING OF PATIENTS WITH MALIGNANT CEREBRAL GLIOMA</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>кандидат медицинских наук, ведущий научный сотрудник лаборатории нейровизуализации,</p><p>197376, Санкт-Петербург, ул. Академика Павлова, д. 9</p></bio><bio xml:lang="en"><p>St. Petersburg</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>Savintseva</surname><given-names>Zh. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, научный сотрудник лаборатории нейровизуализации,</p><p>197376, Санкт-Петербург, ул. Академика Павлова, д. 9</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><email xlink:type="simple">lycaidas@gmail.com</email><xref ref-type="aff" rid="aff-2"/></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>кандидат медицинских наук, старший научный сотрудник лаборатории нейровизуализации,</p><p>197376, Санкт-Петербург, ул. Академика Павлова, д. 9</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><email xlink:type="simple">gurchin@gmail.com</email><xref ref-type="aff" rid="aff-2"/></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>доктор медицинских наук, профессор, главный научный сотрудник лаборатории нейровизуализации,</p><p>197376, Санкт-Петербург, ул. Академика Павлова, д. 9</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><email xlink:type="simple">trofimova-TN@avaclinic.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт мозга человека им. Н. П. Бехтеревой Российской академии наук;&#13;
Санкт-Петербургский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. P. Bechtereva Institute of the Human Brain of Russian Аcademy of Sciences;&#13;
St. Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><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 Аcademy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>30</day><month>01</month><year>2019</year></pub-date><volume>0</volume><issue>4</issue><fpage>21</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Скворцова Т.Ю., Савинцева Ж.И., Гурчин А.Ф., Трофимова Т.Н., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Скворцова Т.Ю., Савинцева Ж.И., Гурчин А.Ф., Трофимова Т.Н.</copyright-holder><copyright-holder xml:lang="en">Skvortsova T.Y., Savintseva Z.I., Gurchin A.F., 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/338">https://radiag.bmoc-spb.ru/jour/article/view/338</self-uri><abstract><p>Увеличение продолжительности жизни больных с опухолями головного мозга и регулярное наблюдение за эффективностью их лечения способствовали идентификации редких отсроченных побочных эффектов облучения на головной мозг. В  работе представлены результаты позитронно-эмиссионной томографии (ПЭТ) с  [11С]метионином 4 больных со злокачественной церебральной глиомой, у которых в период мониторинга лечения обнаружен феномен транзиторного увеличения захвата [11С]метионина в коре головного мозга. Стереотипичный унилатеральный высокий захват [11С]метионина в  коре заднего отдела полушария большого мозга топографически расходился с радиологическими нарушениями, не сопровождался усугублением клинико-неврологической симптоматики или появлением эпилептических припадков. Результаты обследования и последующего наблюдения подтвердили обратимый характер метаболической гиперфункции и исключили ее опухолевую природу. Клинико-инструментальная общность представленных случаев позволила выделить диагностические критерии феномена метаболической псевдопрогрессии и сопоставить их с критериями клинико-радиологического синдрома, получившего название SMART (инсультоподобные приступы мигрени после лучевой терапии), и собственными наблюдениями 2 больных. В статье подробно обсуждаются сходства и  различия обнаруженной метаболической гиперфункции с  ранее известными феноменами и возможные механизмы их развития. Знание особенностей картины метаболической псевдопрогрессии при ПЭТ с [11С]метионином поможет избежать гипердиагностики продолженного роста опухолей головного мозга и чрезмерно агрессивного подхода в ведении больных.</p></abstract><trans-abstract xml:lang="en"><p>With improved treatment for cerebral gliomas leading to longer survival, late rare complications of radiation therapy on the brain are more frequently observed. The paper presents the results of positron emission tomography (PET) with [11C]methionine in 4 patients with malignant cerebral glioma, in whom the phenomenon of transient diffuse high [11C]methionine uptake in the cerebral cortex was detected during treatment monitoring. The unilateral high [11C]methionine uptake in the posterior portion of the cerebral hemisphere was stereotyped and easy to recognize. Nevertheless high amino acid uptake on PET did not match with structural abnormalities on MRI and was not accompanied by aggravation of neurological symptoms or by epileptic seizures. The results of the follow-up examinations excluded tumor recurrence. The control PET/CT scans showed complete resolution of the abnormal [11C]methionine uptake. The clinical and instrumental similarity of the presented cases allowed to establish the diagnostic criteria for the phenomenon of metabolic pseudoprogression and to compare them with the criteria of the SMART syndrome (stroke-like migraine attacks after radiation therapy). Two cases with SMART syndrome are presented as a comparison group. The similarities and discrepancies of unusual metabolic hyperfunction with previously known phenomena and possible mechanisms for their development are discussed. It is important for clinicians and radiologists to be aware of the characteristic imaging findings of the metabolic pseudoprogression on PET with [11C] methionine to avoid overdiagnosis of the brain tumor recurrence and aggressive treatment approach.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>SMART-синдром</kwd><kwd>ПЭТ/КТ</kwd><kwd>[11С]метионин</kwd><kwd>глиома</kwd><kwd>продолженный рост опухоли</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SMART syndrome</kwd><kwd>PET/CT</kwd><kwd>[11C]methionine</kwd><kwd>glioma</kwd><kwd>recurrence</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">Гомзина Н.А., Кузнецова О.Ф. Получение [11С-метил]-L-метионина высокой энантиомерной чистоты путем «on-line» 11С-метилирования L-гомоцистеинтиолактон гидрохлорида // Биоорганическая химия. 2011. Т. 37, № 2. 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