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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">gastro-j</journal-id><journal-title-group><journal-title xml:lang="ru">Российский журнал гастроэнтерологии, гепатологии, колопроктологии</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Gastroenterology, Hepatology, Coloproctology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1382-4376</issn><issn pub-type="epub">2658-6673</issn><publisher><publisher-name>«Gastro» LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22416/1382-4376-2025-35-5-100-111</article-id><article-id custom-type="elpub" pub-id-type="custom">gastro-j-1690</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Серия случаев метастазирования рака предстательной железы в брыжейку сигмовидной кишки у пациентов с первично-множественным раком</article-title><trans-title-group xml:lang="en"><trans-title>A Case Series of Prostate Cancer Metastases to the Sigmoid Mesocolon in Patients with Colorectal Cancer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6386-9235</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никишина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikishina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никишина Анна Вячеславовна — студентка 5-го курса Клинического института детского здоровья им. Н.Ф. Филатова</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Anna V. Nikishina — Student, N.F. Filatov Clinical Institute of Children's Health</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">anna.nikishina.15@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8550-1909</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Игнатов</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Ignatov</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игнатов Иван Сергеевич — кандидат медицинских наук, ассистент кафедры хирургии Института клинической медицины им. Н.В. Склифосовского; врач-онколог, колопроктолог отделения онкологической колопроктологии Университетской клинической больницы № 2</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Ivan S. Ignatov — Cand. Sci. (Med.), Teaching Assistant at the Department of Surgery</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">ignatov.mac93@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7226-4641</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Балабан</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Balaban</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Балабан Владимир Владимирович — доктор медицинских наук, профессор кафедры хирургии Института клинической медицины им. Н.В. Склифосовского; заведующий отделением колопроктологии Университетской клинической больницы № 2</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Vladimir V. Balaban — Dr. Sci. (Med.), Professor at the Department of Surgery</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">balaban_v_v@staff.sechenov.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4825-4830</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кретова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kretova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кретова Наталья Валерьевна — врач-патологоанатом научно-клинического центра, аналитик лаборатории молекулярной генетики заболеваний человека Института клинической морфологии и цифровой патологии</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Natalia V. Kretova — Pathologist of the Clinical Science Center, Analyst at  the  Laboratory  of  Molecular  Genetics of  Human  Diseases</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">prozector76@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6404-389X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тулина</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tulina</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тулина Инна Андреевна — кандидат медицинских наук, доцент кафедры хирургии Института клинической медицины им. Н.В. Склифосовского</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Inna A. Tulina —  Cand.  Sci.  (Med.),  Associate  Professor at the Department of Surgery, N.V. Sklifosovsky Institute of Clinical Medicine</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">inna.tulina@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9194-6744</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стецюк</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Stetsyuk</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стецюк Андрей Николаевич — врач-онколог онкологического отделения хирургических методов лечения Университетской клинической больницы № 1</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Andrey N. Stetsyuk — Oncologist at the Oncological Department of Surgical Treatment methods, University Clinic No. 1</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">drstetsyuk@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7070-5303</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лернер</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lerner</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лернер Юлия Владимировна — ассистент Института клинической морфологии и цифровой патологии, врачпатологоанатом научно-клинического центра</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Yulia V. Lerner — Assistant, Institute of Clinical Morphology and Digital Pathology, Pathologist of the Clinical Science Center</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">julijalerner@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7134-6821</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Царьков</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsarkov</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Царьков Петр Владимирович — доктор медицинских наук, профессор, заведующий кафедрой хирургии Института клинической медицины им. Н.В. Склифосовского; директор клиники колопроктологии и малоинвазивной хирургии</p><p>119435, г. Москва, ул. Погодинская, 1, стр. 1</p></bio><bio xml:lang="en"><p>Petr V. Tsarkov — Dr. Sci. (Med.), Professor, Head of the Department of Surgery, N.V. Sklifosovsky Institute of Clinical Medicine; Head of the Clinic of Coloproctology and Minimally Invasive Surgery</p><p>119435, Moscow, Pogodinskaya str., 1, build. 1</p></bio><email xlink:type="simple">tsarkovpetr@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Первый Московский государственный медицинский университет им. И.М. Сеченова» Министерства здравоохранения Российской Федерации (Сеченовский Университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I.M. Sechenov First Moscow State Medical University (Sechenov University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>11</month><year>2025</year></pub-date><volume>35</volume><issue>5</issue><fpage>100</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никишина А.В., Игнатов И.С., Балабан В.В., Кретова Н.В., Тулина И.А., Стецюк А.Н., Лернер Ю.В., Царьков П.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Никишина А.В., Игнатов И.С., Балабан В.В., Кретова Н.В., Тулина И.А., Стецюк А.Н., Лернер Ю.В., Царьков П.В.</copyright-holder><copyright-holder xml:lang="en">Nikishina A.V., Ignatov I.S., Balaban V.V., Kretova N.V., Tulina I.A., Stetsyuk A.N., Lerner Y.V., Tsarkov P.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.gastro-j.ru/jour/article/view/1690">https://www.gastro-j.ru/jour/article/view/1690</self-uri><abstract><p>В данной статье представлены три редких клинических случая метастазирования рака предстательной железы в лимфатические узлы брыжейки сигмовидной кишки у пациентов с первично-множественным раком предстательной железы и сигмовидной кишки. Нам удалось найти описания всего трех подобных случаев в мировой литературе. Во всех случаях источник метастазирования был подтвержден с помощью иммуногистохимического исследования: была выявлена экспрессия биомаркеров предстательной железы и отсутствие экспрессии маркеров кишечной аденокарциномы. Кроме того, нами описан случай так называемого феномена «столкновения» (collision phenomenon) в одном из лимфоузлов. Обнаружение метастазов рака предстательной железы в брыжейке толстой кишки демонстрирует взаимосвязь лимфатических коллекторов толстой кишки и предстательной железы. Таким образом, важно проводить тщательное патоморфологическое исследование хирургического препарата, а в неоднозначных случаях показано проведение иммуногистохимических реакций для точной диагностики и планирования лечения. Необходимы дальнейшие исследования взаимосвязи путей лимфооттока от простаты и дистальных отделов толстой кишки.</p></abstract><trans-abstract xml:lang="en"><p>This article presents three rare clinical cases of prostate cancer metastasis to the mesosigmoid lymph nodes in patients with primary multiple prostate and sigmoid colon cancer. We were able to find descriptions of only three similar cases in international literature. In all cases, the source of metastasis was confirmed by immunohistochemistry: expression of prostate biomarkers and the absence of expression of intestinal adenocarcinoma markers were detected. Furthermore, we describe a case of the so-called “collision phenomenon” in one of the lymph nodes. The detection of prostate cancer metastases to the mesocolic region demonstrates the interconnection between the lymphatic collectors of the colon and the prostate gland. Therefore, it is important to conduct a thorough pathological examination of the surgical specimen, and in ambiguous cases, immunohistochemistry is indicated for accurate diagnosis and treatment planning. Further studies are needed to investigate the relationship between lymphatic drainage pathways from the prostate and distal colon.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>феномен коллизии</kwd><kwd>колоректальный рак</kwd><kwd>рак предстательной железы</kwd><kwd>первично-множественный рак</kwd></kwd-group><kwd-group xml:lang="en"><kwd>collision phenomenon</kwd><kwd>colorectal cancer</kwd><kwd>prostate cancer</kwd><kwd>multiple primary cancer</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Bray F., Laversanne M., Sung H., Ferlay J., Siegel R.L., Soerjomataram I., et al. 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