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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">Surgery and Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Surgery and Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Хирургия и онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="electronic">2949-5857</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">476</article-id><article-id pub-id-type="doi">10.17650/2686-9594-2020-10-2-53-56</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CASE REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Primary rectal melanoma (a case report)</article-title><trans-title-group xml:lang="ru"><trans-title>Первичная меланома прямой кишки (клиническое наблюдение)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Leontyev</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Леонтьев</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>86 Shosse Enthuziastov, Moscow 111123</p><p>7 / 33 Alyabyeva St., Moscow 121309</p></bio><bio xml:lang="ru"><p>111123 Москва, шоссе Энтузиастов, 86</p><p>121309 Москва, ул. Алябьева, 7 / 33 </p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Danilov</surname><given-names>M. A.</given-names></name><name xml:lang="ru"><surname>Данилов</surname><given-names>М. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>86 Shosse Enthuziastov, Moscow 111123</p></bio><bio xml:lang="ru"><p>111123 Москва, шоссе Энтузиастов, 86</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Abdulatipova</surname><given-names>Z. M.</given-names></name><name xml:lang="ru"><surname>Абдулатипова</surname><given-names>З. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>86 Shosse Enthuziastov, Moscow 111123</p></bio><bio xml:lang="ru"><p>111123 Москва, шоссе Энтузиастов, 86</p></bio><email>z.abdulatipova@mknc.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baychorov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Байчоров</surname><given-names>А. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>86 Shosse Enthuziastov, Moscow 111123</p></bio><bio xml:lang="ru"><p>111123 Москва, шоссе Энтузиастов, 86</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1908-2256</contrib-id><name-alternatives><name xml:lang="en"><surname>Grinevich</surname><given-names>B. N.</given-names></name><name xml:lang="ru"><surname>Гриневич</surname><given-names>В. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>86 Shosse Enthuziastov, Moscow 111123</p></bio><bio xml:lang="ru"><p>111123 Москва, шоссе Энтузиастов, 86</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A.S. Loginov Moscow Clinical Scientific Center, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">ГБУЗ г. Москвы «Московский клинический научно-практический центр им. А. С. Логинова Департамента  здравоохранения г. Москвы»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">City Clinical Hospital No. 51, Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">ГБУЗ г. Москвы «Городская клиническая больница № 51 Департамента здравоохранения г. Москвы»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-08-29" publication-format="electronic"><day>29</day><month>08</month><year>2020</year></pub-date><volume>10</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>53</fpage><lpage>56</lpage><history><date date-type="received" iso-8601-date="2020-08-29"><day>29</day><month>08</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-08-29"><day>29</day><month>08</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Leontyev A.V., Danilov M.A., Abdulatipova Z.M., Baychorov A.V., Grinevich B.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Леонтьев А.В., Данилов М.А., Абдулатипова З.М., Байчоров А.Б., Гриневич В.Н.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Leontyev A.V., Danilov M.A., Abdulatipova Z.M., Baychorov A.V., Grinevich B.N.</copyright-holder><copyright-holder xml:lang="ru">Леонтьев А.В., Данилов М.А., Абдулатипова З.М., Байчоров А.Б., Гриневич В.Н.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/476">https://onco-surgery.info/jour/article/view/476</self-uri><abstract xml:lang="en"><p>Primary rectal melanoma is a rare malignant tumor with an aggressive course and poor prognosis. The article describes a clinical observation demonstrating the successful comprehensive treatment of primary rectal melanoma. A patient with a complicated course of rectal melanoma, stage IV of the first stage was performed by surgical treatment with removal of the external intestine according to the Hartmann type with removal of the uterine appendages from both sides of the en-block, and resection of the left pelvic plexus. In the postoperative period, the patient underwent chemoembolization of the liver with combined immunotherapy. The patient is alive two years after the operation; there is no evidence for local recurrence and progression of the disease.</p></abstract><trans-abstract xml:lang="ru"><p>Первичная меланома прямой кишки является редкой злокачественной опухолью с агрессивным течением и неблагоприятным прогнозом. В статье приведено описание клинического наблюдения, демонстрирующего успешное комплексное лечение первичной меланомы прямой кишки. Пациентке с осложненным течением меланомы прямой кишки IV стадии 1-м этапом было выполнено хирургическое лечение в объеме экстрафасциальной резекции прямой кишки по типу Гартмана с удалением придатков матки с 2 сторон en-bloc и резекции левого тазового сплетения. В послеоперационном периоде больная перенесла химиоэмболизацию печени с последующей комбинированной иммунотерапией. Пациентка жива спустя 2 года после операции; данных, указывающих на местный рецидив и прогрессирование заболевания, нет.</p></trans-abstract><kwd-group xml:lang="en"><kwd>primary rectal melanoma</kwd><kwd>colonoscopy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>первичная меланома прямой кишки</kwd><kwd>колоноскопия</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">Bell P.D., Israel A.K., Dunn A.L., Liao X. Primary dedifferentiated amelanotic anorectal melanoma: report of a rare case. 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