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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">nodgo</journal-id><journal-title-group><journal-title xml:lang="ru">Российский журнал детской гематологии и онкологии (РЖДГиО)</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Pediatric Hematology and Oncology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2311-1267</issn><issn pub-type="epub">2413-5496</issn><publisher><publisher-name>LTD “Graphica”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17650/2311-1267-2018-5-4-86-93</article-id><article-id custom-type="elpub" pub-id-type="custom">nodgo-444</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Успешная таргетная терапия у больного с трансформацией BRAF-мутированной амелобластомы в недифференцированную круглоклеточную саркому</article-title><trans-title-group xml:lang="en"><trans-title>Successful targeted therapy in a patient with transformation of a BRAF-mutated ameloblastoma into an undifferentiated round-cell sarcoma</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7846-3473</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сагоян</surname><given-names>Г. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Sagoyan</surname><given-names>G. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гарик Барисович Сагоян </p><p>врач-детский онколог отделения клинической онкологии </p></bio><bio xml:lang="en"><p>Pediatric Oncologist Department of Clinical Oncology</p></bio><email xlink:type="simple">sagoyan-garik@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0652-6049</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мареева</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mareeva</surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-детский онколог консультативного отделения</p></bio><bio xml:lang="en"><p>Pediatric Oncologist of Advisory Department</p></bio><email xlink:type="simple">7261610@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9375-7517</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рощин</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Roshchin</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач патологоанатомического отделения</p></bio><bio xml:lang="en"><p>Pathologist Department of Pathological Anatomy</p></bio><email xlink:type="simple">pathmorf@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4451-3233</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Грачёв</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Grachev</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., заведующий отделением онкологии и детской хирургии, заместитель директора Института онкологии, радиологии и ядерной медицины</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Head of the Department of Oncology and Pediatric Surgery, Deputy Director of the Institute of Oncology, Radiology and Nuclear Medicine </p></bio><email xlink:type="simple">surgeryfnkc@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7732-8184</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коновалов</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Konovalov</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., заведующий патологоанатомическим отделением</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Head of the Department of Pathological Anatomy</p></bio><email xlink:type="simple">pathmorf@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1308-8622</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Друй</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Druy</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., врач лаборатории цитогенетики и молекулярной генетики</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Doctor of the Laboratory of Cytogenetics and Molecular Genetics</p></bio><email xlink:type="simple">dr-drui@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3937-8855</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондаренко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondarenko</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач рентгенологического отделения</p></bio><bio xml:lang="en"><p>Doctor of the Radiology Department</p></bio><email xlink:type="simple">vladislav.bondarenko@fccho-moscow.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5298-1267</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алексеев</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekseev</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач отделения гематологии/онкологии старшего возраста и нейроонкологии </p></bio><bio xml:lang="en"><p>Doctor of Hematology/Oncology and Neuro-Oncology Department</p></bio><email xlink:type="simple">teskino85@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8880-9266</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Овсянникова</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovsyannikova</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач стационара кратковременного лечения </p></bio><bio xml:lang="en"><p>Short Term Hospital Doctor</p></bio><email xlink:type="simple">g.s.ovsynnikova@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/0000-0002-7461-0050</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвинов</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.м.н., заведующий отделением гематологии/онкологии старшего возраста и нейроонкологии, главный врач </p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Head of the Hematology/Oncology and Neuro-Oncology Department, Head Doctor</p></bio><email xlink:type="simple">litvinov_d_v@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9054-5068</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жуков</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhukov</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.м.н., профессор, руководитель отдела мультидисциплинарной онкологии </p><p>ResearcherID: I-3833-2018, SPIN-код: 8151-9305</p></bio><bio xml:lang="en"><p>Dr. of Sci. (Med.), Professor, Head of Multidisciplinary Oncology Department </p><p>ResearcherID: I-3833-2018, SPIN-code: 8151-9305</p></bio><email xlink:type="simple">zhukov.nikolay@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2019</year></pub-date><volume>5</volume><issue>4</issue><fpage>86</fpage><lpage>93</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сагоян Г.Б., Мареева Ю.М., Рощин В.Ю., Грачёв Н.С., Коновалов Д.М., Друй А.Е., Бондаренко В.П., Алексеев М.А., Овсянникова Г.С., Литвинов Д.В., Жуков Н.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Сагоян Г.Б., Мареева Ю.М., Рощин В.Ю., Грачёв Н.С., Коновалов Д.М., Друй А.Е., Бондаренко В.П., Алексеев М.А., Овсянникова Г.С., Литвинов Д.В., Жуков Н.В.</copyright-holder><copyright-holder xml:lang="en">Sagoyan G.B., Mareeva Y.M., Roshchin V.Y., Grachev N.S., Konovalov D.M., Druy A.E., Bondarenko V.P., Alekseev M.A., Ovsyannikova G.S., Litvinov D.V., Zhukov N.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://journal.nodgo.org/jour/article/view/444">https://journal.nodgo.org/jour/article/view/444</self-uri><abstract><p>В статье описан клинический случай пациента в возрасте 15 лет с последовательной трансформацией амелобластомы верхней челюсти в амелобластическую фибросаркому и недифференцированную круглоклеточную саркому в результате частых рецидивов на фоне стандартного противоопухолевого лечения. Данный клинический пример представляет собой интерес не только ввиду сохранения мутации в гене BRAF на всех этапах трансформации, что позволило провести успешную терапию ингибиторами BRAF и МЕК после исчерпания всех стандартных терапевтических возможностей.</p><sec><title>Конфликт интересов</title><p>Конфликт интересов. Авторы заявляют об отсутствии конфликта интересов. </p></sec><sec><title>Финансирование</title><p>Финансирование. Исследование проведено без спонсорской поддержки.</p></sec></abstract><trans-abstract xml:lang="en"><p>The article describes a clinical case of a patient aged 15 years with a sequential transformation of the ameloblastoma of the upper jaw into ameloblastic fibrosarcoma and undifferentiated round-cell sarcoma as a result of frequent relapses against the background of standard anticancer treatment. This clinical example is of interest not only because of the preservation of the mutation in the BRAF gene at all stages of transformation, which made it possible to conduct successful therapy with BRAF and MEK inhibitors after the exhaustion of all standard therapeutic possibilities.</p><sec><title>Conflict of interest</title><p>Conflict of interest. The authors declare no conflict of interest.</p></sec><sec><title>Funding</title><p>Funding. The study was performed without external funding</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>амелобластома</kwd><kwd>амелобластная фибросаркома</kwd><kwd>недифференцированная круглоклеточная саркома</kwd><kwd>трансформация</kwd><kwd>мутация BRAF V600E</kwd><kwd>вемурафениб</kwd><kwd>кобиметиниб</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ameloblastoma</kwd><kwd>ameloblastic fibrosarcoma</kwd><kwd>undifferentiated round cell sarcoma</kwd><kwd>transformation</kwd><kwd>BRAF V600E mutation</kwd><kwd>vemurafenib</kwd><kwd>cobimetinib</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">Adekeye E.O., Lavery K.M. Recurrent ameloblastoma of the maxillofacial region. Clinical features and treatment. J Maxillofac Surg 1986;14:153–7. PMID: 3459793.</mixed-citation><mixed-citation xml:lang="en">Adekeye E.O., Lavery K.M. Recurrent ameloblastoma of the maxillofacial region. 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