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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">10.21682/2311-1267-2022-9-4-107-113</article-id><article-id custom-type="elpub" pub-id-type="custom">nodgo-890</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>Острый лейкоз из ранних Т-клеток-предшественников: вопросы диагностики, лечения, описание собственного клинического наблюдения</article-title><trans-title-group xml:lang="en"><trans-title>Early T-cell precursor leukemia: questions of diagnosis, treatment and description of own clinical case</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8482-1863</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коркина</surname><given-names>Ю. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Korkina</surname><given-names>Yu. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач-детский онколог</p><p>НИИ детской онкологии и гематологии</p><p>отделение детской онкологии и гематологии (химиотерапия гемобластозов) № 1</p><p>115478</p><p>Каширское шоссе, 23</p><p>Москва</p></bio><bio xml:lang="en"><p>Pediatric Oncologist</p><p>Research Institute of Pediatric Oncology and Hematology</p><p>Department of Pediatric Oncology and Hematology (Chemotherapy of Hemoblastosis) No. 1</p><p>115478</p><p>23 Kashirskoe Shosse</p><p>Moscow</p></bio><email xlink:type="simple">juliaskomorokhova@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/0000-0002-1469-2365</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Валиев</surname><given-names>Т. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Valiev</surname><given-names>T. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тимур Теймуразович Валиев, д. м. н., заведующий отделением</p><p>НИИ детской онкологии и гематологии </p><p>отделение детской онкологии и гематологии (химиотерапия гемобластозов) № 1</p><p>115478</p><p>Каширское шоссе, 23</p><p>Москва</p></bio><bio xml:lang="en"><p>Dr. of Sci. (Med.), Head of the Department</p><p>Research Institute of Pediatric Oncology and Hematology</p><p>Pediatric Oncology and Hematology (Chemotherapy of Hemoblastosis) No. 1</p><p>115478</p><p>23 Kashirskoe Shosse</p><p>Moscow</p></bio><email xlink:type="simple">timurvaliev@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/0000-0002-2945-284X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Киргизов</surname><given-names>К. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirgizov</surname><given-names>K. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к. м. н., заместитель директора по научной и образовательной работе</p><p>НИИ детской онкологии и гематологии</p><p>115478</p><p>Каширское шоссе, 23</p><p>Москва</p></bio><bio xml:lang="en"><p>Cand. of Sci. (Med.), Deputy Director for Scientific and Educational Work</p><p>Research Institute of Pediatric Oncology and Hematology</p><p>115478</p><p>23 Kashirskoe Shosse</p><p>Moscow</p></bio><email xlink:type="simple">k.kirgizov@ronc.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/0000-0001-6131-1783</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Варфоломеева</surname><given-names>С. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Varfolomeeva</surname><given-names>S. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д. м. н., профессор, директор</p><p>НИИ детской онкологии и гематологии</p><p>115478</p><p>Каширское шоссе, 23</p><p>Москва</p></bio><bio xml:lang="en"><p>Dr. of Sci. (Med.), Professor, Director</p><p>Research Institute of Pediatric Oncology and Hematology</p><p>115478</p><p>23 Kashirskoe Shosse</p><p>Moscow</p></bio><email xlink:type="simple">s.varfolomeeva@ronc.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «НМИЦ онкологии им. Н. Н. Блохина» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. N. Blokhin National Medical Research Centre of Oncology, Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>05</day><month>02</month><year>2023</year></pub-date><volume>9</volume><issue>4</issue><fpage>107</fpage><lpage>113</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коркина Ю.С., Валиев Т.Т., Киргизов К.И., Варфоломеева С.Р., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Коркина Ю.С., Валиев Т.Т., Киргизов К.И., Варфоломеева С.Р.</copyright-holder><copyright-holder xml:lang="en">Korkina Y.S., Valiev T.T., Kirgizov K.I., Varfolomeeva S.R.</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/890">https://journal.nodgo.org/jour/article/view/890</self-uri><abstract><p>   Острый лейкоз из ранних T-клеток (early T-cell precursor, ETP-ОЛЛ) является новым подвариантом острого лимфобластного лейкоза (ОЛЛ). Для опухолевых бластов характерен уникальный фенотип, включающий признаки как стволовой, так и миелоидной клетки, что значительно усложняет дифференциальную диагностику. Важнейшими диагностическими критериями являются цитогенетические и молекулярно-биологические особенности клеток при ЕТР-ОЛЛ. На сегодняшний день ведущие международные группы по изучению детского лейкоза проводят исследования в целях разработки новых протоколов лечения ETP-ОЛЛ или оптимизации уже существующих схем химиотерапии за счет включения таргетных препаратов (бортезомиб, руксолитиниб, венетоклакс). В настоящее время проведение трансплантации гемопоэтических стволовых клеток является обязательной опцией в лечении ETP-ОЛЛ. К одним из перспективных методов лечения (особенно при рецидиве ЕТР-ОЛЛ) относится CAR-T-клеточная терапия (chimeric antigen receptor of T-cells). В статье обобщены данные о диагностике и терапии, а также описан клинический случай успешного лечения пациентки с ETP-ОЛЛ.</p></abstract><trans-abstract xml:lang="en"><p>   Early T-cell precursor leukemia (early T-cell precursor, ETP-ALL) is a new subvariant of acute lymphoblastic leukemia (ALL). Tumor blasts have a unique phenotype, including signs of both stem and myeloid cells. This fact significantly complicates differential diagnosis. Cytogenetic and molecular biological features of cells in ETP-ALL are the most important diagnostic criteria. Nowadays the leading scientific international groups of pediatric leukemia conduct researches to develop new treatment protocols for ETP-ALL or to optimize existing chemotherapy regimens by including targeted drugs (bortezomib, ruxolitinib, venetoclax). Currently, hematopoietic stem cell transplantation is a mandatory option in the treatment of ETP-ALL. Targeted drugs and CAR-T-cell (chimeric antigen receptor of T-cells) therapy are the most perspective ways of posable treatment. In this article there are summarized data on diagnosis and therapy and a description of a successful treatment of a patient with ETP-ALL.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>острый лимфобластный лейкоз</kwd><kwd>ETP-ОЛЛ</kwd><kwd>дети</kwd><kwd>диагностика</kwd><kwd>лечение</kwd><kwd>клиническое наблюдение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acute lymphoblastic leukemia</kwd><kwd>early T-cell precursor leukemia</kwd><kwd>children</kwd><kwd>diagnosis</kwd><kwd>treatment</kwd><kwd>clinical case</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено без спонсорской поддержки</funding-statement><funding-statement xml:lang="en">The study was performed without external funding</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Castaneda Puglianini O., Papadantonakis N. 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