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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Pediatric Hematology/Oncology and Immunopathology</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Hematology/Oncology and Immunopathology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы гематологии/онкологии и иммунопатологии в педиатрии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-1708</issn><issn publication-format="electronic">2414-9314</issn><publisher><publisher-name xml:lang="en">Fund Doctors, Innovations, Science for Children</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">686</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2023-22-1-152-155</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Secondary Fisher–Evans syndrome in a child with activated PI(3)kd syndrome and lymphoma</article-title><trans-title-group xml:lang="ru"><trans-title>Вторичный синдром Фишера– Эванса у ребенка с синдромом активированной PI(3)kd и развитием лимфомы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8586-8586</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuzminova</surname><given-names>Zh. A.</given-names></name><name xml:lang="ru"><surname>Кузьминова</surname><given-names>Ж. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Zhanna A. Kuzminova</bold>, Cand. of Med. Sci., a senior researcher at the Department of Treatment Optimization for Hematological Disorders (Anemia and Myeloproliferation Study Group) </p><p>1 Samory Mashela St., Moscow 117997, Russia </p></bio><bio xml:lang="ru"><p><bold>Кузьминова Жанна Андреевна</bold>, канд. мед. наук, старший научный сотрудник отдела оптимизации лечения гематологических заболеваний (группа изучения анемий и миелопролифераций)</p><p>117997, Москва, ул. Саморы Машела, 1</p></bio><email>zfokina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2294-0821</contrib-id><name-alternatives><name xml:lang="en"><surname>Fominykh</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Фоминых</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2787-6005</contrib-id><name-alternatives><name xml:lang="en"><surname>Kotskaya</surname><given-names>N. N.</given-names></name><name xml:lang="ru"><surname>Коцкая</surname><given-names>Н. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2010-5534</contrib-id><name-alternatives><name xml:lang="en"><surname>Mitrakov</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Митраков</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6134-3811</contrib-id><name-alternatives><name xml:lang="en"><surname>Moiseeva</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Моисеева</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5347-7150</contrib-id><name-alternatives><name xml:lang="en"><surname>Shvets</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Швец</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8545-0507</contrib-id><name-alternatives><name xml:lang="en"><surname>Livshits</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Лившиц</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0900-6874</contrib-id><name-alternatives><name xml:lang="en"><surname>Kurnikova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Курникова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p> Moscow </p></bio><bio xml:lang="ru"><p> Москва </p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthсare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-03-01" publication-format="electronic"><day>01</day><month>03</month><year>2023</year></pub-date><volume>22</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>152</fpage><lpage>155</lpage><history><date date-type="received" iso-8601-date="2023-01-21"><day>21</day><month>01</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-01-30"><day>30</day><month>01</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">«D. Rogachev NMRCPHOI»</copyright-holder><copyright-holder xml:lang="ru">ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hemoncim.com/jour/article/view/686">https://hemoncim.com/jour/article/view/686</self-uri><abstract xml:lang="en"><p>Evans syndrome, a combination of autoimmune hemolytic anemia and immune thrombocytopenia, is a rare disease in children. In childhood, it may turn out to be one of the first manifestations of a primary immunodeficiency or an immune dysregulation syndrome. Here we present a clinical case of a patient who was initially diagnosed with Evans syndrome and did not respond well to therapy. Based on the results of genetic testing, the child was then diagnosed with primary immunodeficiency, namely, activated PI(3)kd syndrome. During follow-up, the patient developed lymphoma and had to undergo radical treatment (allogeneic hematopoietic stem cell transplantation). The patient's parents gave consent to the use of their child's data, including photographs, for research purposes and in publications.</p></abstract><trans-abstract xml:lang="ru"><p>Синдром Фишера–Эванса – сочетание аутоиммунной гемолитической анемии и иммунной тромбоцитопении – у детей является редким заболеванием. В детском возрасте он может оказаться одним из первых проявлений первичных иммунодефицитов и синдромов иммунной дисрегуляции. В статье представлен клинический случай пациента, у которого первично был диагностирован синдром Фишера–Эванса, плохо отвечавший на терапию. По результатам генетического обследования у ребенка удалось диагностировать первичный иммунодефицит – синдром активированной PI(3)kd. При дальнейшем наблюдении у пациента развилась лимфома и была проведена радикальная терапия – аллогенная трансплантация гемопоэтических стволовых клеток. Родители пациента дали согласие на использование информации, в том числе фотографий ребенка, в научных исследованиях и публикациях.</p></trans-abstract><kwd-group xml:lang="en"><kwd>Evans syndrome</kwd><kwd>autoimmune hemolytic anemia</kwd><kwd>immune thrombocytopenia</kwd><kwd>primary immunodeficiency</kwd><kwd>children</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>синдром Фишера–Эванса</kwd><kwd>аутоиммунная гемолитическая анемия</kwd><kwd>иммунная тромбоцитопения</kwd><kwd>первичный иммунодефицит</kwd><kwd>дети</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. Miano M. How I manage Evans syndrome and AIHA cases in children. Br J Haematol 2016; 172: 524–34.</mixed-citation><mixed-citation xml:lang="ru">Miano M. 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