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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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Pediatrics. Consilium Medicum</journal-id><journal-title-group><journal-title xml:lang="en">Pediatrics. Consilium Medicum</journal-title><trans-title-group xml:lang="ru"><trans-title>Педиатрия. Consilium Medicum</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-6630</issn><issn publication-format="electronic">2658-6622</issn><publisher><publisher-name xml:lang="en">Consilium Medicum</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">636969</article-id><article-id pub-id-type="doi">10.26442/26586630.2024.2.202925</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Collagenous enteritis as a rare cause of exudative enteropathy in a child. Case report</article-title><trans-title-group xml:lang="ru"><trans-title>Коллагеновый энтерит как редкая причина экссудативной энтеропатии у ребенка</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0668-7336</contrib-id><name-alternatives><name xml:lang="en"><surname>Dmitrieva</surname><given-names>Yulia A.</given-names></name><name xml:lang="ru"><surname>Дмитриева</surname><given-names>Юлия Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доц. каф. педиатрии им. акад. Г.Н. Сперанского ФГБОУ ДПО РМАНПО, врач-гастроэнтеролог ГБУЗ «ДГКБ им. З.А. Башляевой»</p></bio><email>jadmitrieva@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4200-4598</contrib-id><name-alternatives><name xml:lang="en"><surname>Zakharova</surname><given-names>Irina N.</given-names></name><name xml:lang="ru"><surname>Захарова</surname><given-names>Ирина Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), Prof.</p></bio><bio xml:lang="ru"><p>д-р мед. наук, проф., зав. каф. педиатрии им. акад. Г.Н. Сперанского ФГБОУ ДПО РМАНПО, засл. врач РФ</p></bio><email>zakharova-rmapo@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1303-8318</contrib-id><name-alternatives><name xml:lang="en"><surname>Zaplatnikov</surname><given-names>Andrey L.</given-names></name><name xml:lang="ru"><surname>Заплатников</surname><given-names>Андрей Леонидович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.); Prof.</p></bio><bio xml:lang="ru"><p>д-р мед. наук проф., проф. каф. педиатрии им. акад. Г.Н. Сперанского, зав. каф. неонатологии им. проф. В.В. Гаврюшова, проректор по учебной работе ФГБОУ ДПО РМАНПО</p></bio><email>zaplatnikov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5717-7171</contrib-id><name-alternatives><name xml:lang="en"><surname>Radchenko</surname><given-names>Elena R.</given-names></name><name xml:lang="ru"><surname>Радченко</surname><given-names>Елена Равильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Gastroenterologist</p></bio><bio xml:lang="ru"><p>врач-гастроэнтеролог педиатрического отд-ния</p></bio><email>elen.radchenko@list.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3795-3203</contrib-id><name-alternatives><name xml:lang="en"><surname>Epifanova</surname><given-names>Elena I.</given-names></name><name xml:lang="ru"><surname>Епифанова</surname><given-names>Елена Игоревна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Pathologist</p></bio><bio xml:lang="ru"><p>врач-патологоанатом</p></bio><email>jadmitrieva@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6457-1193</contrib-id><name-alternatives><name xml:lang="en"><surname>Abdurakhmanova</surname><given-names>Lala S.</given-names></name><name xml:lang="ru"><surname>Абдурахманова</surname><given-names>Лала Саидовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Gastroenterologist</p></bio><bio xml:lang="ru"><p>врач-гастроэнтеролог ФГБУ ДМЦ</p></bio><email>lalina92@inbox.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9983-6032</contrib-id><name-alternatives><name xml:lang="en"><surname>Pokhvashcheva</surname><given-names>Polina Y.</given-names></name><name xml:lang="ru"><surname>Похващева</surname><given-names>Полина Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Resident</p></bio><bio xml:lang="ru"><p>ординатор каф. пропедевтики детских болезней, врач-педиатр ФГАОУ ВО «РНИМУ им. Н.И. Пирогова»</p></bio><email>pokhvashcheva98@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian Medical Academy of Continuous Professional Education</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Bashlyaeva Children’s City Clinical Hospital</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Детская городская клиническая больница им. З.А. Башляевой» Департамента здравоохранения г. Москвы</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Children’s Medical Center, Moscow</institution></aff><aff><institution xml:lang="ru">ФГБУ «Детский медицинский центр» Управления делами Президента РФ</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-10-24" publication-format="electronic"><day>24</day><month>10</month><year>2024</year></pub-date><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>138</fpage><lpage>144</lpage><history><date date-type="received" iso-8601-date="2024-10-13"><day>13</day><month>10</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-10-13"><day>13</day><month>10</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://pediatria.orscience.ru/2658-6630/article/view/636969">https://pediatria.orscience.ru/2658-6630/article/view/636969</self-uri><abstract xml:lang="en"><p>Exudative enteropathy (EE) syndrome can be associated with various diseases of the gastrointestinal tract (GIT) and is manifested by edematous syndrome, hypoproteinemia, hypoalbuminemia, lymphocytopenia, hypogammaglobulinemia, and an increase in the level of α-1-antitrypsin in the feces. More than 60 medical conditions are associated with loss of protein through the gastrointestinal tract, including erosive-ulcerative diseases of the gastrointestinal tract, non-erosive lesions of the mucous membrane causing an increase in the permeability of the intestinal wall, as well as disorders with an increase in pressure in the lymphatic system. Correct diagnosis and timely replacement and pathogenetic therapy are essential for the rapid cessation of pathological losses, the recovery of the proteinogram, and the prevention of life-threatening complications. Collagenous enteritis is one of the rare diseases of the small intestine associated with EE syndrome. The article presents a clinical case of a young child with EE and collagenous enteritis. The stages of the diagnostic workup in detecting EE syndrome in the child are discussed, and the pathogenetic factors that determined the development of this disorder are considered.</p></abstract><trans-abstract xml:lang="ru"><p>Синдром экссудативной энтеропатии (ЭЭ) может сопровождать различные заболевания желудочно-кишечного тракта (ЖКТ) и проявляется отечным синдромом, гипопротеинемией, гипоальбуминемией, лимфопенией, гипогаммаглобулинемией и повышением концентрации α-1-антитрипсина в кале. Потеря белка через ЖКТ может отмечаться при более чем 60 патологических состояниях, включая эрозивно-язвенные заболевания ЖКТ, неэрозивные поражения слизистой оболочки, приводящие к увеличению проницаемости кишечной стенки, а также заболевания, сопровождающиеся повышением давления в лимфатической системе. Корректная диагностика и своевременная заместительная и патогенетическая терапия лежат в основе быстрого прекращения патологических потерь, восстановления протеинограммы и предотвращения жизнеугрожающих осложнений. Одним из редких заболеваний тонкой кишки, сопровождающимся синдромом ЭЭ, является коллагеновый энтерит. В статье представлена клиническая демонстрация ребенка раннего возраста с ЭЭ на фоне течения коллагенового энтерита. Обсуждены этапы диагностического поиска при выявлении у ребенка синдрома ЭЭ, рассмотрены патогенетические факторы, определившие развитие данного патологического состояния.</p></trans-abstract><kwd-group xml:lang="en"><kwd>children</kwd><kwd>early age</kwd><kwd>proteinogram</kwd><kwd>total protein</kwd><kwd>albumin</kwd><kwd>hypoproteinemia</kwd><kwd>hypoalbuminemia</kwd><kwd>hypogammaglobulinemia</kwd><kwd>α-1-antitrypsin</kwd><kwd>exudative enteropathy</kwd><kwd>collagenous enteropathy</kwd><kwd>atrophic enteropathy</kwd><kwd>celiac disease</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>ранний возраст</kwd><kwd>протеинограмма</kwd><kwd>общий белок</kwd><kwd>альбумин</kwd><kwd>гипопротеинемия</kwd><kwd>гипоальбуминемия</kwd><kwd>гипогаммаглобулинемия</kwd><kwd>α-1-антитрипсин</kwd><kwd>экссудативная энтеропатия</kwd><kwd>коллагеновая энтеропатия</kwd><kwd>атрофическая энтеропатия</kwd><kwd>целиакия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Elli L, Topa M, Rimondi A. 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