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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">RUDN Journal of Medicine</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Medicine</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Медицина</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-0245</issn><issn publication-format="electronic">2313-0261</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">40858</article-id><article-id pub-id-type="doi">10.22363/2313-0245-2024-28-3-382-389</article-id><article-id pub-id-type="edn">EUGQPP</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DERMATOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДЕРМАТОЛОГИЯ</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">Monomorphic type сlinical features of maculopapular cutaneous mastocytosis</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности клинического течения мономорфного типа пятнистопапулезного кожного мастоцитоза</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0767-8821</contrib-id><contrib-id contrib-id-type="spin">2244-5426</contrib-id><name-alternatives><name xml:lang="en"><surname>Kasikhina</surname><given-names>Elena I.</given-names></name><name xml:lang="ru"><surname>Касихина</surname><given-names>Е. И.</given-names></name></name-alternatives><email>kasprof@bk.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/0009-0002-1193-3247</contrib-id><contrib-id contrib-id-type="spin">3873-9444</contrib-id><name-alternatives><name xml:lang="en"><surname>Nada</surname><given-names>Ahmed Yasser</given-names></name><name xml:lang="ru"><surname>Нада</surname><given-names>А. Я.</given-names></name></name-alternatives><email>kasprof@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3386-1467</contrib-id><contrib-id contrib-id-type="spin">5767-7621</contrib-id><name-alternatives><name xml:lang="en"><surname>Ostretsova</surname><given-names>Maria N.</given-names></name><name xml:lang="ru"><surname>Острецова</surname><given-names>М. Н.</given-names></name></name-alternatives><email>kasprof@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5723-6573</contrib-id><contrib-id contrib-id-type="spin">8584-7564</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhukova</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>Жукова</surname><given-names>О. В.</given-names></name></name-alternatives><email>kasprof@bk.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/0000-0002-5788-4666</contrib-id><contrib-id contrib-id-type="spin">3480-2715</contrib-id><name-alternatives><name xml:lang="en"><surname>Kochetkov</surname><given-names>Mikhail A.</given-names></name><name xml:lang="ru"><surname>Кочетков</surname><given-names>М. А.</given-names></name></name-alternatives><email>kasprof@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1178-7534</contrib-id><contrib-id contrib-id-type="spin">1091-8405</contrib-id><name-alternatives><name xml:lang="en"><surname>Khanferyan</surname><given-names>R. A</given-names></name><name xml:lang="ru"><surname>Ханферьян</surname><given-names>Р. А.</given-names></name></name-alternatives><email>kasprof@bk.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow Scientific and Practical Center of Dermatovenereology and Cosmetology</institution></aff><aff><institution xml:lang="ru">Московский научнопрактический центр дерматовенерологии и косметологии</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2024</year></pub-date><volume>28</volume><issue>3</issue><issue-title xml:lang="en">PHYSIOLOGY. EXPERIMENTAL PHYSIOLOGY</issue-title><issue-title xml:lang="ru">ФИЗИОЛОГИЯ. ЭКСПЕРИМЕНТАЛЬНАЯ ФИЗИОЛОГИЯ</issue-title><fpage>382</fpage><lpage>389</lpage><history><date date-type="received" iso-8601-date="2024-09-30"><day>30</day><month>09</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Kasikhina E.I., Nada A.Y., Ostretsova M.N., Zhukova O.V., Kochetkov M.A., Khanferyan R.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Касихина Е.И., Нада А.Я., Острецова М.Н., Жукова О.В., Кочетков М.А., Ханферьян Р.А.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Kasikhina E.I., Nada A.Y., Ostretsova M.N., Zhukova O.V., Kochetkov M.A., Khanferyan R.A.</copyright-holder><copyright-holder xml:lang="ru">Касихина Е.И., Нада А.Я., Острецова М.Н., Жукова О.В., Кочетков М.А., Ханферьян Р.А.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/medicine/article/view/40858">https://journals.rudn.ru/medicine/article/view/40858</self-uri><abstract xml:lang="en"><p style="text-align: justify;"><italic>Relevance. </italic>A monomorphic type of maculo-­papular cutaneous mastocytosis was allocated relatively recently. In children and adolescents with a monomorphic type of MPCM (adult type pattern), clinical manifestations persist into adulthood and can transform into a systemic process, which determines the need for regular monitoring of this category of patients. <italic>The aim </italic>was to analyse the results of clinical, laboratory and instrumental examinations of an adolescent with a monomorphic type of MPCM. <italic>Materials and Methods</italic>. The study of an adolescent patient included data of laboratory examination, pathomorphological examination, ultrasound examination of the abdominal organs and cKIT gene of an adolescent with a monomorphic type of MPCM, observed at “Moscow Scientific and Practical Center of Dermatovenerology and Cosmetology”. <italic>Results and Discussion.</italic> The process was represented by multiple rashes on the skin of the trunk and limbs. Darier’s sign is positive. The patient’s serum tryptase level exceeded the age norm. The late onset (at the age of 12) of the disease, elevated tryptase levels, neurological symptoms, and the risk of anaphylaxis caused alertness regarding the development of the systemic form, therefore an ultrasound examination of the abdominal organs was performed and the presence of a mutation in the cKIT gene in peripheral blood was determined. <italic>Conclusion.</italic> Clinical report of an adolescent patient in Moscow Scientific and Practical Center of Dermatovenerology and Cosmetology was presented. Thus, the combination of clinical and laboratory data allows minimizing the number of invasive procedures in children with CM. Assessment of the tryptase level, mutation detection in the cKIT gene and ultrasound examination of abdominal organs can be useful for timely diagnosis of systemic mastocytosis, which allows to carry out the necessary correction of the disease status and drug therapy.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;"><italic>Актуальность. </italic>Мономорфный вариант течения пятнисто-­папулезного кожного мастоцитоза (ППКМ) был выделен относительно недавно. У детей и подростков с мономорфным типом ППКМ (паттерн взрослого типа) клинические проявления в дальнейшем сохраняются во взрослом возрасте и могут трансформироваться в системный процесс, что определяет необходимость регулярного наблюдения за данной категорией пациентов. <italic>Цель. </italic>Проанализировать данные результатов клинико-­лабораторного и инструментального исследования у подростка с мономорфным типом ППКМ. <italic>Материал и методы. </italic>В статье представлены результаты наблюдения пациента-­подростка в ГБУЗ «Московский центре дерматовенерологии и косметологии». При клинико-­лабораторном обследовании и патоморфологическом исследовании был определен мономорфный тип ППКМ. Процесс был представлен множественными высыпаниями на коже туловища и конечностей. Феномен Дарье положительный. Уровень сывороточной триптазы у пациента превышал возрастную норму. Поздний дебют (в 12 лет) заболевания, повышенный уровень триптазы, неврологические симптомы, риск развития анафилаксии вызывали настороженность в отношении развития системной формы, в связи с чем были проведены ультразвуковое исследование органов брюшной полости и определение наличия мутации в гене KIT в периферической крови. <italic>Заключение.</italic> Сочетание клинических и лабораторных данных позволяет минимизировать количество инвазивных процедур у детей с КМ. Оценка динамики уровня триптазы, определение мутаций в гене KIT и УЗ-исследование органов брюшной полости могут быть полезны для своевременной диагностики системного мастоцитоза, что позволяет проводить коррекцию статуса заболевания и лекарственную терапию.</p></trans-abstract><kwd-group xml:lang="en"><kwd>maculo-papular cutaneous mastocytosis</kwd><kwd>monomorphic type</kwd><kwd>children</kwd><kwd>adolescents</kwd><kwd>diagnostics</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>пятнисто-папулезный кожный мастоцитоз</kwd><kwd>мономорфный тип</kwd><kwd>дети</kwd><kwd>подростки</kwd><kwd>диагностика</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Nemat K, Abraham S. Cutaneous mastocytosis in childhood. Allergologie Select. 2022;5(6):1-10. doi: 10.5414/ALX02304E</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Hartmann K, Escribano L, Grattan C, Brockow K, Carter MC, Alvarez-­Twose I. 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