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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">Journal of Modern Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Modern Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Современная онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-1434</issn><issn publication-format="electronic">1815-1442</issn><publisher><publisher-name xml:lang="en">LLC Obyedinennaya Redaktsiya</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">697269</article-id><article-id pub-id-type="doi">10.26442/18151434.2025.3.203428</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">Laparoscopic heminephrectomy in renal cell carcinoma of the horseshoe kidney in a patient with end-stage renal disease with a transplanted kidney: A clinical case</article-title><trans-title-group xml:lang="ru"><trans-title>Лапароскопическая геминефрэктомия при почечно-клеточном раке подковообразной почки у пациента с трансплантированной почкой на фоне терминальной стадии хронической почечной недостаточности: клинический случай</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3108-0539</contrib-id><name-alternatives><name xml:lang="en"><surname>Trushkin</surname><given-names>Ruslan N.</given-names></name><name xml:lang="ru"><surname>Трушкин</surname><given-names>Руслан Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д-р мед. наук, зав. урологическим отд-нием, проф. каф. урологии и оперативной нефрологии с курсом онкоурологии</p></bio><email>ognerubov_n.a@mail.ru</email><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/0000-0003-4045-1247</contrib-id><name-alternatives><name xml:lang="en"><surname>Ognerubov</surname><given-names>Nikolai A.</given-names></name><name xml:lang="ru"><surname>Огнерубов</surname><given-names>Николай Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.), D. Sci. (Law), Prof.</p></bio><bio xml:lang="ru"><p>д-р мед. наук, д-р юрид. наук, проф., проф. каф. онкологии и паллиативной медицины, засл. работник высшей школы РФ, засл. врач РФ</p></bio><email>ognerubov_n.a@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-7016-2360</contrib-id><contrib-id contrib-id-type="spin">5232-7116</contrib-id><name-alternatives><name xml:lang="en"><surname>Sokolov</surname><given-names>Sergey A.</given-names></name><name xml:lang="ru"><surname>Соколов</surname><given-names>Сергей Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Urologist</p></bio><bio xml:lang="ru"><p>врач-уролог урологического отд-ния</p></bio><email>ognerubov_n.a@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gorshkov</surname><given-names>Stanislav I.</given-names></name><name xml:lang="ru"><surname>Горшков</surname><given-names>Станислав Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Urologist</p></bio><bio xml:lang="ru"><p>врач-уролог урологического отд-ния</p></bio><email>ognerubov_n.a@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1018-8460</contrib-id><name-alternatives><name xml:lang="en"><surname>Shcheglov</surname><given-names>Nikolai E.</given-names></name><name xml:lang="ru"><surname>Щеглов</surname><given-names>Николай Евгеньевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач-уролог урологического отд-ния</p></bio><email>ognerubov_n.a@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3462-8616</contrib-id><name-alternatives><name xml:lang="en"><surname>Isaev</surname><given-names>Teymur K.</given-names></name><name xml:lang="ru"><surname>Исаев</surname><given-names>Теймур Карибович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>D. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д-р мед. наук, врач-уролог урологического отд-ния</p></bio><email>ognerubov_n.a@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-0302-0428</contrib-id><contrib-id contrib-id-type="spin">5887-1880</contrib-id><name-alternatives><name xml:lang="en"><surname>Sokolov</surname><given-names>Aleksandr A.</given-names></name><name xml:lang="ru"><surname>Соколов</surname><given-names>Александр Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>канд. мед. наук, врач-уролог</p></bio><email>ognerubov_n.a@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">City Clinical Hospital №52, Moscow</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Городская клиническая больница №52» Департамента здравоохранения г. Москвы</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Peoples' Friendship University of Russia named after Patrice Lumumba</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский университет дружбы народов им. Патриса Лумумбы»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian Medical Academy of Continuous Professional Education</institution></aff><aff><institution xml:lang="ru">ФГБОУ ДПО «Российская медицинская академия непрерывного профессионального образования» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Central Clinical Hospital with Polyclinic</institution></aff><aff><institution xml:lang="ru">ФГБУ «Центральная клиническая больница с поликлиникой» Управления делами Президента РФ</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-05" publication-format="electronic"><day>05</day><month>12</month><year>2025</year></pub-date><volume>27</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>300</fpage><lpage>305</lpage><history><date date-type="received" iso-8601-date="2025-12-02"><day>02</day><month>12</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-12-02"><day>02</day><month>12</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Consilium Medicum</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, ООО "Консилиум Медикум"</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Consilium Medicum</copyright-holder><copyright-holder xml:lang="ru">ООО "Консилиум Медикум"</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-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://modernonco.orscience.ru/1815-1434/article/view/697269">https://modernonco.orscience.ru/1815-1434/article/view/697269</self-uri><abstract xml:lang="en"><p>The horseshoe kidney (HK) is the most common congenital anomaly of the urinary system, detected in 0.25% of the population. It combines several anatomical defects, including ectopia, malrotation, anomalies of the collecting system, and variations in the blood supply, which are associated with complications that can lead to end-stage renal disease (ESRD). The use of peritoneal dialysis and hemodialysis for this indication is a risk factor for renal cell carcinoma (RCC). HK is associated with various benign and malignant neoplasms. RCC and transitional cell carcinoma are the most common, accounting for 85% and 10% of all cases, respectively. According to the literature, renal transplant recipients are at an increased risk of RCC, predominantly involving their own kidneys. Additionally, kidney recipients who are on persistent immunosuppression are 4–15 times more likely to develop RCC. The article presents a unique case of surgical treatment of HK RCC in a 47-year-old patient who was treated for hypertension from the age of 20, and at the age of 36, he was diagnosed with HK according to ultrasound. At the age of 37, the patient developed ESRD. Peritoneal dialysis and hemodialysis were performed, followed by cadaveric kidney allotransplantation at the age of 42. The patient received continuous immunosuppression. After 5 years, gross hematuria appeared. When examined with native X-ray computed tomography and contrast-enhanced magnetic resonance imaging, a rounded mass with a clear, even outer contour, measuring up to 73×80 mm in size, and a heterogeneous structure without invasion into the fat tissue was visualized in the left half of the HK in the middle segment. Laparoscopic heminephrectomy was performed on the left. Histological examination showed papillary RCC, the resection margins were negative. Creatinine levels were stable. Diagnosis: Stage III renal cell carcinoma pT3aN0M0R0. The patient was assessed after 16 months; no evidence of recurrence was found. The case presented describes a rare case of HK RCC that developed after dialysis and kidney transplantation for ESRD. The patient successfully underwent laparoscopic heminephrectomy with a favorable outcome, with no signs of recurrence of the disease for 16 months. No such cases were reported in the literature.</p></abstract><trans-abstract xml:lang="ru"><p>Подковообразная почка (ПП) является наиболее распространенной врожденной аномалией мочевыделительной системы, которая выявляется у 0,25% населения и сочетает ряд анатомических пороков, таких как эктопия, мальротация, аномалия собирательной системы и вариантная анатомия кровоснабжения, которые сопровождаются развитием осложнений, приводящих к терминальной стадии хронической почечной недостаточности (тХПН). Применение перитонеального диализа и гемодиализа по этому поводу является фактором риска возникновения почечно-клеточного рака (ПКР). ПП ассоциируется с различными доброкачественными и злокачественными новообразованиями. Среди них наиболее распространены ПКР и переходно-клеточный рак, составляя 85 и 10% соответственно. Согласно данным литературы реципиенты почечного трансплантата подвергаются повышенному риску развития ПКР, преимущественно с поражением собственных почек. Кроме того, у реципиентов почки, находящихся на постоянной иммуносупрессии, вероятность развития ПКР также возрастает в 4–15 раз. В статье представлен уникальный случай хирургического лечения ПКР ПП у 47-летнего пациента, который с 20 лет лечился по поводу артериальной гипертензии (АГ), а в 36 лет при ультразвуковом исследовании у него выявили ПП. С 37 лет у больного развилась тХПН. Проводились перитонеальный диализ и гемодиализ с последующей аллотрансплантацией трупной почки в 42 года. Получал постоянную иммуносупрессию. Через 5 лет появилась макрогематурия. При обследовании по данным нативной рентгеновской компьютерной и магнитно-резонансной томографии с контрастом в левой половине ПП в среднем сегменте визуализируется округлое объемное образование с четким, ровным наружным контуром размером до 73×80 мм, неоднородной структуры без инвазии в клетчатку. По поводу опухоли выполнена лапароскопическая геминефрэктомия слева. При гистологическом исследовании установлен папиллярный ПКР, края резекции отрицательные. Показатели креатинина стабильные. Диагноз: рак почки стадии III pT3aN0M0R0. Обследован через 16 мес, данных за возврат заболевания нет. Представленное наблюдение иллюстрирует редкий случай ПКР ПП, развившегося после диализа и трансплантации почки по поводу тХПН. Пациенту успешно выполнена лапароскопическая геминефрэктомия с благоприятным исходом без признаков возврата заболевания на протяжении 16 мес. Описание подобного события в доступной литературе отсутствует.</p></trans-abstract><kwd-group xml:lang="en"><kwd>horseshoe kidney</kwd><kwd>chronic renal failure</kwd><kwd>renal allotransplantation</kwd><kwd>renal cell carcinoma</kwd><kwd>laparoscopic heminephrectomy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>подковообразная почка</kwd><kwd>хроническая почечная недостаточность</kwd><kwd>аллотрансплантация почки</kwd><kwd>почечно-клеточный рак</kwd><kwd>геминефрэктомия лапароскопическая</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Romeo A, Spencer E, Baber J, et al. Open transperitoneal partial nephrectomy in a horseshoe kidney. BMJ Case Rep. 2021;14(5):e235928. DOI:10.1136/bcr-2020-235928</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Natsis K, Piagkou M, Skotsimara A, et al. Horseshoe kidney: a review of anatomy and pathology. Surg Radiol Anat. 2015;36(6):517-26. 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