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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">702021</article-id><article-id pub-id-type="doi">10.26442/26586630.2025.4.203477</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">Alopecia and celiac disease: A clinical case</article-title><trans-title-group xml:lang="ru"><trans-title>Алопеция и целиакия. Клиническое наблюдение</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0090-6980</contrib-id><name-alternatives><name xml:lang="en"><surname>Kholodova</surname><given-names>Irina N.</given-names></name><name xml:lang="ru"><surname>Холодова</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.)</p></bio><bio xml:lang="ru"><p>д-р мед. наук, проф. каф. педиатрии им. Г.Н. Сперанского</p></bio><email>chin5@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5102-1774</contrib-id><name-alternatives><name xml:lang="en"><surname>Vasilyev</surname><given-names>Yuri V.</given-names></name><name xml:lang="ru"><surname>Васильев</surname><given-names>Юрий Валерианович</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. общей гигиены</p></bio><email>chin5@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kholodov</surname><given-names>Dmitry I.</given-names></name><name xml:lang="ru"><surname>Холодов</surname><given-names>Дмитрий Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>pediatrician</p></bio><bio xml:lang="ru"><p>врач-педиатр, зав. филиалом №1</p></bio><email>chin5@yandex.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zaydenvarg</surname><given-names>Galina E.</given-names></name><name xml:lang="ru"><surname>Зайденварг</surname><given-names>Галина Евгеньевна</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. Г.Н. Сперанского</p></bio><email>chin5@yandex.ru</email><xref ref-type="aff" rid="aff1"/></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">Saint Petersburg State Pediatric Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Санкт-Петербургский государственный педиатрический медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Children's City Polyclinic No. 94</institution></aff><aff><institution xml:lang="ru">ГБУ «Детская городская поликлиника №94» Департамента здравоохранения г. Москвы</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-28" publication-format="electronic"><day>28</day><month>12</month><year>2025</year></pub-date><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>346</fpage><lpage>349</lpage><history><date date-type="received" iso-8601-date="2026-01-31"><day>31</day><month>01</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-01-31"><day>31</day><month>01</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2025</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/702021">https://pediatria.orscience.ru/2658-6630/article/view/702021</self-uri><abstract xml:lang="en"><p>Comorbidity is the coexistence of two or more diseases in one patient, interconnected pathogenetically and genetically. Such cases always require an individualized treatment approach. In addition, it can be difficult to find a patient with a similar set of diseases and a positive experience of their treatment to support decisions in challenging cases. The article focuses on two diseases, alopecia and celiac disease, which, coexisting in one child, challenge adequate therapy choice due to the late diagnosis of one of them. The clinical case of a child with alopecia and celiac disease illustrates the issues of comorbidity for the patient and doctors, the mutual impact of the two diseases on the course of the pathological process, and the effectiveness of therapy.</p></abstract><trans-abstract xml:lang="ru"><p>Коморбидность − сосуществование двух и более заболеваний у одного пациента, взаимосвязанных патогенетически и генетически. Лечение в таких случаях подбирается всегда индивидуально. Кроме того, бывает сложно найти пациента со сходным набором заболеваний, положительным опытом его лечения, который можно использовать в затруднительных случаях. В статье речь пойдет о двух заболеваниях − алопеции и целиакии, которые, сосуществуя у одного ребенка, затрудняли назначение адекватной терапии в связи с несвоевременной диагностикой одного из них. На клиническом примере ребенка, страдающего алопецией и целиакией, проиллюстрированы проблемы коморбидности для пациента и врачей, взаимное влияние двух заболеваний на течение патологического процесса и эффективность терапии.</p></trans-abstract><kwd-group xml:lang="en"><kwd>alopecia</kwd><kwd>celiac disease</kwd><kwd>comorbidity</kwd><kwd>polymorbidity</kwd><kwd>child</kwd><kwd>therapeutic options</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>алопеция</kwd><kwd>целиакия</kwd><kwd>коморбидность</kwd><kwd>полиморбидность</kwd><kwd>ребенок</kwd><kwd>возможности терапии</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Оганов Р.Г., Симаненков В.И., Бакулин И.Г., и др. Коморбидная патология в клинической практике. Алгоритмы диагностики и лечения. Клинические рекомендации, 2018. Кардиоваскулярная терапия и профилактика. 2019;18(1): 5-66 [Oganov RG, Simanenkov VI, Bakulin IG. 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