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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">pediatricjournal</journal-id><journal-title-group><journal-title xml:lang="ru">Архив педиатрии и детской хирургии</journal-title><trans-title-group xml:lang="en"><trans-title>Archives of Pediatrics and Pediatric Surgery</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2949-4664</issn><issn pub-type="epub">3033-6783</issn><publisher><publisher-name>НИКИ детства Минздрава Московской области</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/2949-4664-apps-2-3-40-44</article-id><article-id custom-type="elpub" pub-id-type="custom">pediatricjournal-109</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>КЛИНИЧЕСКИЙ СЛУЧАЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASE</subject></subj-group></article-categories><title-group><article-title>GM1 - ганглиозидоз, тип 1 в практике врача клинической лабораторной диагностики</article-title><trans-title-group xml:lang="en"><trans-title>GM1 - gangliosidosis, type 1 in the practice of a clinical laboratory diagnostics doctor</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6271-7435</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Конюхова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konyukhova</surname><given-names>T. V.</given-names></name></name-alternatives><email xlink:type="simple">tkonuhova@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/0000-0003-4039-430X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Манджиева</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mandzhieva</surname><given-names>A. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-2995-1473</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трухина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Trukhina</surname><given-names>E. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-5813-3950</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гурулева</surname><given-names>Л. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Guruleva</surname><given-names>L. B.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное учреждение «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» МЗ РФ; Федеральное государственное автономное образовательное учреждение высшего образования «Российский национальный исследовательский медицинский университет имени Н.И. Пирогова» Министерства здравоохранения Российской Федерации<country>Россия</country></aff><aff xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology; N.I. Pirogov Russian National Research Medical University of the Ministry of Health of the Russian Federation<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральное государственное бюджетное учреждение «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» МЗ РФ<country>Россия</country></aff><aff xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Государственное автономное учреждение здравоохранения «Детская республиканская клиническая больница» МЗ РБ<country>Россия</country></aff><aff xml:lang="en">Children’s Republican Clinical Hospital<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>03</day><month>02</month><year>2025</year></pub-date><volume>2</volume><issue>3</issue><fpage>40</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Конюхова Т.В., Манджиева А.И., Трухина Е.В., Гурулева Л.Б., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Конюхова Т.В., Манджиева А.И., Трухина Е.В., Гурулева Л.Б.</copyright-holder><copyright-holder xml:lang="en">Konyukhova T.V., Mandzhieva A.I., Trukhina E.V., Guruleva L.B.</copyright-holder><license 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.nikid.ru/jour/article/view/109">https://journal.nikid.ru/jour/article/view/109</self-uri><abstract><p>Введение. GM1-ганглиозидоз - редкое наследственное заболевание из группы лизосомных болезней накопления, обусловленное дефицитом фермента бета-галактозидазы и приводящее к аномальному накоплению побочных продуктов метаболизма. GM1 - ганглиозидоз сопровождается рядом цитологических нарушений: множественные вакуоли в лимфоцитах; слабо окрашенные, неравномерно распределенные гранулы и цитоплазматическая вакуолизация в эозинофилах. В статье представлен клинический случай GM-1 - ганглиозидоза 1 типа у ребенка 5 месяцев, предположить который, стало возможным при исследовании мазков костного мозга (КМ) и периферической крови. Обнаружение вакуолизированных лимфоцитов и аномальных эозинофилов при исследовании лейкоцитарной формулы может иметь важное диагностическое значение у пациентов с метаболическими нарушениями.</p></abstract><trans-abstract xml:lang="en"><p>GM1- gangliosidosis is a rare hereditary disease from the group of lysosomal storage diseases, caused by a deficiency of the enzyme beta-galactosidase and leading to an abnormal accumulation of metabolic byproducts. GM1 - gangliosidosis is accompanied by a number of cytological disorders: multiple vacuoles in lymphocytes; weakly stained, unevenly distributed granules and cytoplasmic vacuolization in eosinophils. The article presents a clinical case of GM-1 - gangliosidosis type 1 in a 5-month-old child, which became possible to assume from the study of bone marrow (BM) and peripheral blood smears. Detection of vacuolated lymphocytes and abnormal eosinophils in the study of leukocyte formula may have important diagnostic value in patients with metabolic disorders.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>GM1-ганглиозидоз</kwd><kwd>вакуолизированные лимфоциты</kwd><kwd>аномальные эозинофилы</kwd><kwd>лейкоцитарная формула</kwd><kwd>костный мозг</kwd></kwd-group><kwd-group xml:lang="en"><kwd>GM1 - gangliosidosis</kwd><kwd>vacuolated lymphocytes</kwd><kwd>abnormal eosinophils</kwd><kwd>leukocyte formula</kwd><kwd>bone marrow</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">Chevalier C., Detry G. Vacuolated lymphocytes and abnormal eosinophils in GM1 gangliosidosis, type 1. Br J Haematol. 2012 Feb;156(3):293. doi: 10.1111/j.1365-2141.2011.08929.x.</mixed-citation><mixed-citation xml:lang="en">Chevalier C., Detry G. 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