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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="review-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">25432</article-id><article-id pub-id-type="doi">10.22363/2313-0245-2021-25-1-9-15</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CORONAVIRUS INFECTION, INFECTIOUS DISEASES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КОРОНАВИРУСНАЯ ИНФЕКЦИЯ, ИНФЕКЦИОННЫЕ БОЛЕЗНИ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Skin manifestations of COVID-19</article-title><trans-title-group xml:lang="ru"><trans-title>Кожные проявления COVID-19</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dvoryankova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Дворянкова</surname><given-names>Е. В.</given-names></name></name-alternatives><email>dvoriankova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korsunskaya</surname><given-names>I. M.</given-names></name><name xml:lang="ru"><surname>Корсунская</surname><given-names>И. М.</given-names></name></name-alternatives><email>dvoriankova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Slavyanskaya</surname><given-names>T. A.</given-names></name><name xml:lang="ru"><surname>Славянская</surname><given-names>Т. А.</given-names></name></name-alternatives><email>dvoriankova@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Center for theoretical problems of physical and chemical pharmacology of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Центр теоретических проблем физико-химической фармакологии Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia (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="2021-01-12" publication-format="electronic"><day>12</day><month>01</month><year>2021</year></pub-date><volume>25</volume><issue>1</issue><issue-title xml:lang="en">CORONAVIRUS INFECTION, INFECTIOUS DISEASES</issue-title><issue-title xml:lang="ru">КОРОНАВИРУСНАЯ ИНФЕКЦИЯ, ИНФЕКЦИОННЫЕ БОЛЕЗНИ</issue-title><fpage>9</fpage><lpage>15</lpage><history><date date-type="received" iso-8601-date="2021-01-12"><day>12</day><month>01</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Dvoryankova E.V., Korsunskaya I.M., Slavyanskaya T.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Дворянкова Е.В., Корсунская И.М., Славянская Т.А.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Dvoryankova E.V., Korsunskaya I.M., Slavyanskaya T.A.</copyright-holder><copyright-holder xml:lang="ru">Дворянкова Е.В., Корсунская И.М., Славянская Т.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/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/medicine/article/view/25432">https://journals.rudn.ru/medicine/article/view/25432</self-uri><abstract xml:lang="en"><p>The infection caused by the recently identified SARS-CoV-2, dubbed coronavirus disease-19 (COVID-19), has become a pandemic. With exponential growth of morbidity among the people around the world, the clinical characteristics of COVID-19 are becoming clearer and description of new disease symptoms descriptions is emerging. The sufficient amount of descriptions of various skin manifestations in patients with COVID-19 has appeared, however they are characterized by great heterogeneity. The pathogenetic mechanisms of the development of skin rashes in patients with COVID-19 are currently unknown, however, hypotheses have been put forward that they have an overactive immune response, activation of the complement system and microvascular damage. Based on the published literature data and our own experience, the following characteristic types of skin rashes can be distinguished among the skin manifestations of this viral disease: urticaria, confluent, papulovesicular exanthema, acral rashes similar to frostbite, livedo reticularis and purpura. Possible development of skin lesions against the background of the development of COVID-19 provides the need to inform dermatologists about the features of the skin manifestations of this disease, as well as to study further these symptoms of COVID-19 to determine their diagnostic and prognostic value.</p></abstract><trans-abstract xml:lang="ru"><p>Инфекция, вызванная недавно выявленным SARS-CoV-2, получившим название коронавирусной болезни-19 (COVID-19), приобрела характер пандемии. С экспоненциальным увеличением числа больных во всем мире клиническая характеристика COVID-19 становится более четкой, и появляются описания новых симптомов заболевания. В последнее время появилось достаточное количество описаний различных кожных проявлений у пациентов с COVID-19, которые характеризуются большой гетерогенностью. Патогенетические механизмы развития кожных высыпаний у больных COVID-19 на сегодняшний день неизвестны, однако были выдвинуты гипотезы о наличии у них гиперактивного иммунного ответа, активации системы комплемента и микрососудистого повреждения. Основываясь на опубликованных литературных данных, собственном опыте, среди кожных проявлений данного вирусного заболевания можно выделить следующие характерные типы высыпаний на коже: крапивница, сливающаяся полиморфная эритематозно-макулопапулезная сыпь, папуловезикулярная экзантема, акральные высыпания, похожие на обморожение, ретикулярное ливедо, пурпура. Возможное поражение кожного покрова на фоне развития COVID-19 определяет необходимость информирования дерматологов об особенностях кожных проявлений данного заболевания, а также проведения дальнейших изучений таких симптомов COVID-19 для определения их диагностической и прогностической ценности. У всех пациентов, чьи клинические случаи представлены в исследовании, было получено информированное согласие на обработку персональных данных.</p></trans-abstract><kwd-group xml:lang="en"><kwd>COVID-19</kwd><kwd>skin rash</kwd><kwd>urticaria</kwd><kwd>vasculitis</kwd><kwd>livedo</kwd><kwd>papulovesicular exanthema</kwd><kwd>purpura</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>COVID-19</kwd><kwd>высыпания на коже</kwd><kwd>крапивница</kwd><kwd>васкулит</kwd><kwd>ливедо</kwd><kwd>папуловезикулярная экзантема</kwd><kwd>пурпура</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Zhu N, Zhang D, Wang W, Li X, Yang B, Song J, et al. A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med. 2020;382:727-733.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Recalcati S. Cutaneous manifestations in COVID-19: a first perspective. 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