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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">vsp</journal-id><journal-title-group><journal-title xml:lang="ru">Вопросы современной педиатрии</journal-title><trans-title-group xml:lang="en"><trans-title>Current Pediatrics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-5527</issn><issn pub-type="epub">1682-5535</issn><publisher><publisher-name>Издательство «ПедиатрЪ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15690/vsp.v25i1.3004</article-id><article-id custom-type="elpub" pub-id-type="custom">vsp-3929</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>КЛИНИЧЕСКОЕ НАБЛЮДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</subject></subj-group></article-categories><title-group><article-title>Диагностический квест пациента с мягкой формой мукополисахаридоза, тип I (синдром Шейе): клинический случай</article-title><trans-title-group xml:lang="en"><trans-title>Diagnostic Quest of a Patient with a Mild Form of Mucopolysaccharidosis, Type I (Scheie Syndrome): Case Study</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2335-3023</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бучинская</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Buchinskaya</surname><given-names>Natalya V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бучинская Наталья Валерьевна - кандидат медицинских наук, врач-генетик консультативного отделения Диагностического центра (медико-генетического), ассистент кафедры госпитальной педиатрии.</p><p>194044, Санкт-Петербург, ул. Тобольская, д. 5, тел.: +7 (812) 241-24-84</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">nbuchinskaia@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/0009-0004-8775-9630</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вечкасова</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Vechkasova</surname><given-names>Anastasia O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</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/0000-0002-7903-3643</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шиповскова</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shipovskova</surname><given-names>Ekaterina Е.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волгоград</p></bio><bio xml:lang="en"><p>Volgograd</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/0000-0001-8320-2027</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вашакмадзе</surname><given-names>Н. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vashakmadze</surname><given-names>Nato D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</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/0000-0002-1180-8086</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костик</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostik</surname><given-names>Mikhail M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Диагностический центр (медико-генетический); Санкт-Петербургский государственный педиатрический медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Diagnostic Center (Medical Genetics); Saint-Petersburg State Pediatric Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Диагностический центр (медико-генетический)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Diagnostic Center (Medical Genetics)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Волгоградская областная клиническая больница № 1</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Volgograd Regional Clinical Hospital No. 1</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>НИИ педиатрии и охраны здоровья детей НКЦ №2 ФГБНУ «РНЦХ им. акад. Б.В. Петровского»; Российский национальный исследовательский медицинский университет им. Н.И. Пирогова (Пироговский Университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery; Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный педиатрический медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State Pediatric Medical University</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>02</month><year>2026</year></pub-date><volume>25</volume><issue>1</issue><fpage>28</fpage><lpage>36</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бучинская Н.В., Вечкасова А.О., Шиповскова Е.Е., Вашакмадзе Н.Д., Костик М.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Бучинская Н.В., Вечкасова А.О., Шиповскова Е.Е., Вашакмадзе Н.Д., Костик М.М.</copyright-holder><copyright-holder xml:lang="en">Buchinskaya N.V., Vechkasova A.O., Shipovskova E.Е., Vashakmadze N.D., Kostik M.M.</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://vsp.spr-journal.ru/jour/article/view/3929">https://vsp.spr-journal.ru/jour/article/view/3929</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Диагностика мягких форм мукополисахаридоза (МПС) вызывает значительные трудности, а несвоевременное распознавание заболевания задерживает начало патогенетической терапии.</p><p>Описание клинического случая. Девочка Я., консультирована неврологом в возрасте 6 мес в связи с задержкой моторного развития. В возрасте 1 года диагностирована пупочная грыжа, в возрасте 3 лет отмечены появление нарушения мелкой моторики, гипертрофия аденоидов и нарушение слуха, в 4 года — тугоподвижность в локтевых и коленных суставах, нарушение походки, утомляемость и одышка при физической нагрузке, помутнение роговицы, в возрасте 5 лет в стационаре диагностированы миелопатия шейного отдела спинного мозга с явлением вялого парапареза в руках, наружная гидроцефалия, сгибательные контрактуры локтевых суставов, варусная деформация стоп и двусторонний тубоотит. В возрасте 8 лет впервые осмотрена генетиком, заподозрено заболевание из группы МПС. Выявлены снижение активности арилсульфатазы В — 1,8 нМ/мг/ч (референсные значения 42,8–129,8 нМ/мг/ч) и экскреция дерматансульфата, заподозрен МПС, тип VI. Проведено полное секвенирование гена ARSB, патогенные/вероятно-патогенные варианты не обнаружены. При проведении повторного анализа активность арилсульфатазы в пределах референсных значений, но выявлено резкое снижение активности a-L-идуронидазы — до 0,001 мкМ/л/ч (референсные значения 1–25 мкМ/л/ч). По результатам секвенирования гена IDUA в экзоне 2 обнаружен патогенный вариант c.208C&gt;T (p.Gln70*), в экзоне 10 — вариант неизвестного клинического значения c.1505G&gt;C (p.Arg502Pro), оба в гетерозиготном состоянии. Установлен диагноз: «Мукополисахаридоз, тип I (синдром Шейе)». Инициирована патогенетическая (ферментозаместительная) терапия, результаты которой отслеживали до 17-летнего возраста пробанда.</p></sec><sec><title>Заключение</title><p>Заключение. Ранняя диагностика МПС является необходимым условием для своевременного начала патогенетического лечения, что может значительно улучшить прогноз для мягких форм заболевания.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Diagnosis of mild forms of mucopolysaccharidosis (MPS) causes significant difficulties, and its untimely recognition delays pathogenetic therapy initiation.</p></sec><sec><title>Case description</title><p>Case description. Girl Ya., was consulted by neurologist at the age of 6 months due to delayed motor development. Umbilical hernia was diagnosed at the age of 1 year, appearance of fine motor disorders, adenoid hypertrophy and hearing impairment were noted at the age of 3 years, elbow and knee stiffness, gait disturbance, fatigue, exertional dyspnea, and corneal opacity — at 4 years, myelopathy of cervical spinal cord with flail hands paraparesis, external hydrocephalus, flexion elbow contractures, varus feet deformity, and bilateral tubotitis were diagnosed in the hospital at the age of 5. She was examined by a geneticist for а first at the age of 8, disease from the MPS group was suspected. Decreasein arylsulfatase B activity (1.8 nM/mg/h) (reference values 42.8–129.8 nM/mg/h) and dermatan sulfate excretion were revealed, thus, MPS, type VI was suspected. Full sequencing of the ARSB gene was performed, no pathogenic or probably pathogenic variants were revealed. Arylsulfatase activity was within the reference values during the next analysis, however dramatic decrease in a-L-iduronidase activity was detected — up to 0.001 μM/L/h (reference values 1–25 μM/L/h). Pathogenic variant c.208C&gt; T (p.Gln70*) was revealed in exon 2 of the IDUA gene, as well as variant of unknown clinical value c.1505G&gt; C (p.Arg502Pro) in exon 10, both in a heterozygous state. The patient was diagnosed with mucopolysaccharidosis, type I (Scheie syndrome). Pathogenetic (enzyme replacement) therapy was initiated, its results were followed-up until the age of 17 years old.</p></sec><sec><title>Conclusion</title><p>Conclusion. Early diagnosis of MPS is crucial for timely pathogenetic treatment initiation, as it can significantly improve the prognosis for mild forms of the disease.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>мукополисахаридоз</kwd><kwd>тип I</kwd><kwd>синдром Шейе</kwd><kwd>клинический случай</kwd><kwd>диагностика</kwd><kwd>динамическое наблюдение</kwd><kwd>лечение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mucopolysaccharidosis</kwd><kwd>type I</kwd><kwd>Scheie syndrome</kwd><kwd>case study</kwd><kwd>diagnosis</kwd><kwd>case follow-up</kwd><kwd>treatment</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Отсутствует</funding-statement><funding-statement xml:lang="en">Not specified</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">Sakuru R, Bollu PC. Hurler Syndrome. In: StatPearls [Internet]. 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