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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">Russian Journal of Skin and Venereal Diseases</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Skin and Venereal Diseases</journal-title><trans-title-group xml:lang="ru"><trans-title>Российский журнал кожных и венерических болезней</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9588</issn><issn publication-format="electronic">2412-9097</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">568542</article-id><article-id pub-id-type="doi">10.17816/dv568542</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>DERMATOONCOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ДЕРМАТООНКОЛОГИЯ</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">Dermatofibrosarcoma protuberans: Under the mask of scar</article-title><trans-title-group xml:lang="ru"><trans-title>Выбухающая дерматофибросаркома Дарье–Феррана: под маской рубца</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1088-2911</contrib-id><contrib-id contrib-id-type="spin">3712-8453</contrib-id><name-alternatives><name xml:lang="en"><surname>Vertieva</surname><given-names>Ekaterina Yu.</given-names></name><name xml:lang="ru"><surname>Вертиева</surname><given-names>Екатерина Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук</p></bio><email>ivertieva@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0301-737X</contrib-id><contrib-id contrib-id-type="spin">4391-9553</contrib-id><name-alternatives><name xml:lang="en"><surname>Kayumova</surname><given-names>Lyailya N.</given-names></name><name xml:lang="ru"><surname>Каюмова</surname><given-names>Ляиля Наилевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Assistant Lecturer</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук, ассистент</p></bio><email>avestohka2005@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3611-0917</contrib-id><contrib-id contrib-id-type="spin">5345-5746</contrib-id><name-alternatives><name xml:lang="en"><surname>Bobkova</surname><given-names>Anna E.</given-names></name><name xml:lang="ru"><surname>Бобкова</surname><given-names>Анна Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anya_bobkova98@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">Первый Московский государственный медицинский университет имени И.М. Сеченова (Сеченовский Университет)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-12-12" publication-format="electronic"><day>12</day><month>12</month><year>2023</year></pub-date><volume>26</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>545</fpage><lpage>552</lpage><history><date date-type="received" iso-8601-date="2023-08-16"><day>16</day><month>08</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-10-25"><day>25</day><month>10</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Эко-Вектор</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-12-12"/></permissions><self-uri xlink:href="https://rjsvd.com/1560-9588/article/view/568542">https://rjsvd.com/1560-9588/article/view/568542</self-uri><abstract xml:lang="en"><p>Dermatofibrosarcoma protuberans (Darier–Ferrand) is a rare mesenchymal tumor of fibrohistiocytic genesis with moderate malignancy and low incidence of metastasis, the pathogenesis and etiology of which remain unclear. The diagnosis is based on the clinical picture of a reddish-brown dense plaque or papule that gradually becomes a painful node with ulceration. Histological examination reveals the infiltrate with a moire pattern in the dermis in the form of fusiform cells with diffuse CD34+ staining during immunohistochemical analysis. Treatment of dermatofibrosarcoma protuberans (Darier–Ferrand) is a serious problem due to the high tendency for recurrence after removal. The methods described in the literature include extensive excision, Mohs surgery, chemotherapy, radiation therapy and targeted treatment with an anticancer protein-tyrosine kinase inhibitor.</p> <p>The authors present their own clinical observation of a patient with dermatofibrosarcoma protuberans (Darier–Ferrand) in whom a diagnostic error by only visual method and an incorrect treatment led to the worsening of skin process. The interest of this clinical observation lies in the difficulty of diagnosis during the initial visit, in the complexity of differential and morphological diagnosis.</p></abstract><trans-abstract xml:lang="ru"><p>Выбухающая дерматофибросаркома Дарье–Феррана ― редкая мезенхимальная опухоль фиброгистиоцитарного генеза, средней степени злокачественности, с низкой частотой метастазирования, патогенез и этиология которой до конца не ясны. Клиническая картина, на которой основывается диагноз, представлена бляшкой или папулой плотной консистенции красно-коричневого цвета, которая впоследствии постепенно становится болезненным узлом, иногда с изъязвлениями. Гистологическое исследование определяет инфильтрат с муаровым рисунком в дерме в виде веретеновидных клеток с диффузным окрашиванием CD34+ при иммуногистохимическом анализе. Лечение выбухающей дерматофибросаркомы представляет серьёзную проблему в связи с высокой склонностью к рецидивам после удаления. Описанные в литературе методы включают широкое иссечение, операцию по Мосу, химиотерапию, лучевую терапию и таргетное лечение противоопухолевым ингибитором протеинтирозинкиназы.</p> <p>В работе представлено собственное клиническое наблюдение пациента с выбухающей дерматофибросаркомой Дарье–Феррана, у которого ошибка в постановке диагноза только лишь визуальным методом и неправильно выбранная тактика лечения привели к ухудшению кожного процесса. Интерес данного клинического случая заключается в трудности постановки диагноза при первичном обращении, сложности дифференциальной и морфологической диагностики.</p></trans-abstract><kwd-group xml:lang="en"><kwd>dermatofibrosarcoma protuberans</kwd><kwd>DFSP</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>выбухающая дерматофибросаркома Дарье-Феррана</kwd><kwd>ВДФС</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Clinical recommendations [Internet]. Soft tissue sarcomas. 2022-2023-2024 (25.07.2022). Approved by the Ministry of Health of the Russian Federation. Available from: http://disuria.ru/_ld/12/1283_kr22C49MZ.pdf. Accessed: 15.10.2023. (In Russ).</mixed-citation><mixed-citation xml:lang="ru">Клинические рекомендации [интернет]. Саркомы мягких тканей. 2022-2023-2024 (25.07.2022). Утверждены Минздравом РФ. Режим доступа: http://disuria.ru/_ld/12/1283_kr22C49MZ.pdf. 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