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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">surgumed</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СурГУ. Медицина</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik SurGU. Meditsina</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-3447</issn><publisher><publisher-name>Сургутский государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35266/2949-3447-2026-1-8</article-id><article-id custom-type="elpub" pub-id-type="custom">surgumed-988</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>КЛИНИЧЕСКАЯ МЕДИЦИНА. КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL MEDICINE. CLINICAL CASE</subject></subj-group></article-categories><title-group><article-title>СЛУЧАЙ ПОЗДНЕЙ ДИАГНОСТИКИ СИНДРОМА НИЙМЕГЕН У РЕБЕНКА ШКОЛЬНОГО ВОЗРАСТА С ЧАСТЫМИ РЕЦИДИВАМИ ДИФФУЗНОЙ B-КЛЕТОЧНОЙ ЛИМФОМЫ</article-title><trans-title-group xml:lang="en"><trans-title>CASE OF LATE NIJMEGEN BREAKAGE SYNDROME DIAGNOSIS IN ADOLESCENT WITH FREQUENT DIFFUSE B-CELL LYMPHOMA RECURRENCES</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-3802-6682</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шарская</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharskaya</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ординатор</p></bio><bio xml:lang="en"><p>Resident</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/0009-0006-2693-1198</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Марчук</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Marchuk</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ассистент</p></bio><bio xml:lang="en"><p>Assistant Professor</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-5293-8730</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Симонова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Simonova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>врач – аллерголог-иммунолог, пульмонолог</p></bio><bio xml:lang="en"><p>Allergologist, Pulmonologist</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-8249-0735</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ляпунова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lyapunova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ординатор</p></bio><bio xml:lang="en"><p>Resident</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5966-9417</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антонов</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonov</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, доцент</p></bio><bio xml:lang="en"><p>Doctor of Sciences (Medicine), Docent</p></bio><email xlink:type="simple">antonovpdb@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский национальный исследовательский медицинский университет им. Н. И. Пирогова Минздрава России, Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. I. Pirogov Russian National Research Medical University of the Ministry of Health of the Russian Federation, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Омский государственный медицинский университет Минздрава России, Омск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Omsk State Medical University of the Ministry of Health of the Russian Federation, Omsk</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Городская детская клиническая больница № 2 имени В. П. Бисяриной, Омск</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Children’s City Clinical Hospital No. 2 named after V. P. Bisyarina, Omsk</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный педиатрический медицинский университет Минздрава России, Санкт-&#13;
Петербург</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State Pediatric Medical University of the Ministry of Healthcare of the Russian Federation, Saint Petersburg</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>05</day><month>05</month><year>2026</year></pub-date><volume>19</volume><issue>1</issue><elocation-id>64–70</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Шарская Е.С., Марчук В.Л., Симонова Н.А., Ляпунова О.А., Антонов О.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Шарская Е.С., Марчук В.Л., Симонова Н.А., Ляпунова О.А., Антонов О.В.</copyright-holder><copyright-holder xml:lang="en">Sharskaya E.S., Marchuk V.L., Simonova N.A., Lyapunova O.A., Antonov O.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://www.surgumed.ru/jour/article/view/988">https://www.surgumed.ru/jour/article/view/988</self-uri><abstract><p>В статье представлено клиническое динамическое наблюдение ребенка с тяжелыми рецидивирующими инфекционными и онкологическими заболеваниями на разных этапах дифференциально-диагностического поиска первичного иммунодефицита. Среди поиска первичного иммунодефицита наиболее актуален в Российской Федерации и в европейском обществе и хорошо распознаваем синдром Ниймеген – рецессивное наследственное заболевание из-за мутации гена NBN, когда пороки развития у ребенка сопровождаются нарушением иммунитета. В данной публикации мы приводим результаты наблюдения за 17-летним ребенком, у которого синдром Ниймеген осложнился диффузной В-крупноклеточной лимфомой с рецидивирующим течением. Диагноз «Первичный иммунодефицит – синдром Ниймеген» был впервые верифицирован пациенту в возрасте 14 лет с помощью молекулярно-генетического анализа лишь после развития рецидива В-клеточной лимфомы.</p></abstract><trans-abstract xml:lang="en"><p>The article presents a case follow-up of a child with severe forms of recurrent infectious and oncological diseases at various stages of the differential diagnostic procedure for primary immunodeficiency (PID) identification. The most significant and frequently diagnosed PID in Russia and Europe is Nijmegen breakage syndrome (NBS). NBS is a recessive genetic disorder caused by NBN gene mutations, where dysimmunity accompanies a child's congenital anomalies. The paper describes the monitoring of a 17-year-old adolescent with Nijmegen breakage syndrome complicated by recurrent large B-cell lymphoma and reveals its findings. Initially, the patient was diagnosed with Nijmegen breakage syndrome at age 14 via molecular and genetic analysis after B-cell lymphoma recurrence.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>синдром Ниймеген</kwd><kwd>нестабильность хромосом</kwd><kwd>иммунодефицит</kwd><kwd>лимфома</kwd><kwd>неонатальный скрининг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Nijmegen breakage syndrome (NBS)</kwd><kwd>chromosomal instability</kwd><kwd>immunodeficiency</kwd><kwd>lymphoma</kwd><kwd>newborn screening</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">Tangye S. G., Al-Herz W., Bousfiha A. et al. Human inborn errors of immunity: 2019 update on the classification from the International Union of Immunological Societies Expert Committee // Journal of Clinical Immunology. 2020. Vol. 40, no. 1. 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