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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">MD-Onco</journal-id><journal-title-group><journal-title xml:lang="en">MD-Onco</journal-title><trans-title-group xml:lang="ru"><trans-title>MD-Onco</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-3202</issn><issn publication-format="electronic">2782-6171</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">6</article-id><article-id pub-id-type="doi">10.17650/2782-3202-2021-1-1-38-42</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>RARE NEOPLASMS AND COMPLEX CLINICAL SITUATIONS: DIFFICULTIES IN DIAGNOSIS AND SELECTION OF TREATMENT TACTICS</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>РЕДКИЕ НОВООБРАЗОВАНИЯ И СЛОЖНЫЕ КЛИНИЧЕСКИЕ СИТУАЦИИ: ТРУДНОСТИ ДИАГНОСТИКИ И ВЫБОР ТАКТИКИ ЛЕЧЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">BRAF-mutant melanoma of the skin during pregnancy with dichorionic diamniotic twins. Clinical case</article-title><trans-title-group xml:lang="ru"><trans-title>BRAF-мутированная меланома кожи на фоне беременности бихорионической биамниотической двойней. Клинический случай</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5038-9307</contrib-id><name-alternatives><name xml:lang="en"><surname>Davydov</surname><given-names>M. M.</given-names></name><name xml:lang="ru"><surname>Давыдов</surname><given-names>М. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p><p> Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111 </p><p> Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2 </p></bio><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/0000-0003-1564-424X</contrib-id><name-alternatives><name xml:lang="en"><surname>Zeynalova</surname><given-names>P. A.</given-names></name><name xml:lang="ru"><surname>Зейналова</surname><given-names>П. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p><p>Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p><p> Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2 </p></bio><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/0000-0003-4927-5585</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedenko</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Феденко</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chekiny</surname><given-names>D. A.</given-names></name><name xml:lang="ru"><surname>Чекини</surname><given-names>Д. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ibragimov</surname><given-names>E. K.</given-names></name><name xml:lang="ru"><surname>Ибрагимов</surname><given-names>Э. К.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Filimonov</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Филимонов</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sinitsyna</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Синицына</surname><given-names>О. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5601-3669</contrib-id><name-alternatives><name xml:lang="en"><surname>Bogush</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Богуш</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p><p>Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p><p> Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2 </p></bio><email>elena_bogush@yahoo.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chekalova</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Чекалова</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5910-5892</contrib-id><name-alternatives><name xml:lang="en"><surname>Allakhverdieva</surname><given-names>G. F.</given-names></name><name xml:lang="ru"><surname>Аллахвердиева</surname><given-names>Г. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shamanova</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Шаманова</surname><given-names>М. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 1, 24 Sevastopolsky Ave, Moscow 117209, Russia</p></bio><bio xml:lang="ru"><p>Россия, 117209 Москва, Севастопольский пр-т, 24, корп. 1</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zhguleva</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Жгулева</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 1, 24 Sevastopolsky Ave, Moscow 117209, Russia</p></bio><bio xml:lang="ru"><p>Россия, 117209 Москва, Севастопольский пр-т, 24, корп. 1</p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0040-3136</contrib-id><name-alternatives><name xml:lang="en"><surname>Kirsanov</surname><given-names>V. Yu.</given-names></name><name xml:lang="ru"><surname>Кирсанов</surname><given-names>В. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p> Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2 </p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0153-3311</contrib-id><name-alternatives><name xml:lang="en"><surname>Ponomarev</surname><given-names>V. E.</given-names></name><name xml:lang="ru"><surname>Пономарeв</surname><given-names>В. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p> Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2 </p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3621-7394</contrib-id><name-alternatives><name xml:lang="en"><surname>Polikarpova</surname><given-names>S. B.</given-names></name><name xml:lang="ru"><surname>Поликарпова</surname><given-names>С. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p> Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2 </p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1469-2365</contrib-id><name-alternatives><name xml:lang="en"><surname>Valiev</surname><given-names>T. T.</given-names></name><name xml:lang="ru"><surname>Валиев</surname><given-names>Т. Т.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 2, 8 Trubetskaya St., Moscow 119991, Russia </p></bio><bio xml:lang="ru"><p>Россия, 119991 Москва, ул. Трубецкая, 8, стр. 2</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0175-1968</contrib-id><name-alternatives><name xml:lang="en"><surname>Kurtser</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Курцер</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>111 1st Uspenskoe Shosse, Lapino, Moscow region 143081, Russia</p><p>1 Ostrovityanova St., Moscow 117997, Russia</p></bio><bio xml:lang="ru"><p>Россия, 43081 Московская обл., д. Лапино, 1-е Успенское шоссе, 111</p><p>Россия, 117997 Москва, ул. Островитянова, 1</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Clinical Hospital “Lapino” of the “Mother and Child” Group of companies</institution></aff><aff><institution xml:lang="ru">Клинический госпиталь «Лапино» группы компаний «Мать и дитя»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Минздрава России (Сеченовский Университет)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Clinical Hospital MD GROUP</institution></aff><aff><institution xml:lang="ru">Клинический госпиталь MD GROUP</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава&#13;
России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-12-07" publication-format="electronic"><day>07</day><month>12</month><year>2021</year></pub-date><volume>1</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>38</fpage><lpage>42</lpage><history><date date-type="received" iso-8601-date="2021-09-06"><day>06</day><month>09</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-12-05"><day>05</day><month>12</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, ABV-Press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, АБВ-пресс</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">ABV-Press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</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://mdonco.abvpress.ru/jour/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://mdonco.abvpress.ru/jour/article/view/6">https://mdonco.abvpress.ru/jour/article/view/6</self-uri><abstract xml:lang="en"><p>Per the majority of authors, melanoma is the most common tumor diagnosed during pregnancy (31 % of all malignant neoplasms). In approximately 1/3 of women melanoma developed in child-bearing age is diagnosed during pregnancy or in the postpartum period. However, only some retrospective studies analyzed the effect of pregnancy on melanoma development, and conclusive data on development, progression and treatment of BRAF-mutant melanoma is lacking. In this subpopulation of patients, BRAF status supposedly can negatively affect disease outcome irrespective of treatment methods.The article presents a clinical case of recurrence of melanoma with the BRAF V600E mutation during pregnancy. The patient underwent lymph node dissection during pregnancy prolongation, after labor she received antitumor drug therapy with МЕК and ВRAF inhibitors. Melanoma recurrence during pregnancy did not worsen treatment outcomes for the mother and embryo.</p></abstract><trans-abstract xml:lang="ru"><p>По данным большинства авторов, меланома – наиболее частая опухоль, выявляемая во время беременности (31 % всех случаев злокачественных новообразований). Примерно у 1/3 женщин меланому, которая развивается в детородном возрасте, выявляют во время беременности или в послеродовом периоде. Однако только в некоторых ретроспективных исследованиях анализировалось влияние беременности на развитие меланомы, и нет достаточно убедительных данных по вопросу возникновения, развития и лечения меланомы с мутацией BRAF. В этой особой субпопуляции пациенток статус мутации BRAF, по-видимому, может оказывать негативное влияние на исход заболевания, независимо от методов лечения.В работе представлен клинический случай развития рецидива меланомы с мутацией BRAF V600E во время беременности. Пациентке на фоне пролонгации беременности выполнено иссечение рецидивных узлов, после родоразрешения начата противоопухолевая лекарственная терапия ингибиторами МЕК и ВRAF. Рецидив меланомы во время беременности не привел к ухудшению исходов лечения для матери или плода.</p></trans-abstract><kwd-group xml:lang="en"><kwd>melanoma</kwd><kwd>BRAF mutation</kwd><kwd>pregnancy</kwd><kwd>BRAF/MEK inhibitors</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>меланома</kwd><kwd>мутация BRAF</kwd><kwd>беременность</kwd><kwd>ингибиторы BRAF/MEK</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>De Haan J., van Thienen J.V., Casaer M. et al. Severe adverse reaction to vemurafenib in a pregnant woman with metastatic melanoma. Case Rep Oncol 2018;11(1):119–24. DOI: 10.1159/000487128.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Bucheit A.D., Hardy J.T., Szender J.B. et al. 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