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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">Cancer Urology</journal-id><journal-title-group><journal-title xml:lang="en">Cancer Urology</journal-title><trans-title-group xml:lang="ru"><trans-title>Онкоурология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-9776</issn><issn publication-format="electronic">1996-1812</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">1967</article-id><article-id pub-id-type="doi">10.17650/1726-9776-2026-22-2-95-99</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL NOTES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>КЛИНИЧЕСКИЕ СЛУЧАИ</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">Urothelial cancer of the upper urinary tract after radical cystectomy: primary focus, recurrence of bladder cancer or <italic>de novo</italic> tumor. Surgical treatment</article-title><trans-title-group xml:lang="ru"><trans-title>Уротелиальный рак верхних мочевыводящих путей после радикальной цистэктомии: первичный очаг, рецидив рака мочевого пузыря или <italic>de novo</italic> опухоль. Хирургическое лечение</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4415-0903</contrib-id><name-alternatives><name xml:lang="en"><surname>Perlin</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Перлин</surname><given-names>Д. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sparta238@yandex.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/0000-0002-8807-8819</contrib-id><name-alternatives><name xml:lang="en"><surname>Shmanev</surname><given-names>Artem O.</given-names></name><name xml:lang="ru"><surname>Шманев</surname><given-names>Артем Олегович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sparta238@yandex.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/0000-0002-5302-2217</contrib-id><name-alternatives><name xml:lang="en"><surname>Shamkhalov</surname><given-names>Sh. N.</given-names></name><name xml:lang="ru"><surname>Шамхалов</surname><given-names>Ш. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sparta238@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0980-4534</contrib-id><name-alternatives><name xml:lang="en"><surname>Zipunnikov</surname><given-names>V. P.</given-names></name><name xml:lang="ru"><surname>Зипунников</surname><given-names>В. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sparta238@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Volgograd Regional Uronephrology Center</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Волгоградский областной уронефрологический центр»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Volgograd State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Волгоградский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-09-29" publication-format="electronic"><day>29</day><month>09</month><year>2026</year></pub-date><volume>22</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>95</fpage><lpage>99</lpage><history><date date-type="received" iso-8601-date="2025-08-11"><day>11</day><month>08</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2026-07-27"><day>27</day><month>07</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, ABV-Press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, АБВ-пресс</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">ABV-Press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</copyright-holder><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://oncourology.abvpress.ru/oncur/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://oncourology.abvpress.ru/oncur/article/view/1967">https://oncourology.abvpress.ru/oncur/article/view/1967</self-uri><abstract xml:lang="en"><p>Recurrence of urothelial carcinoma in the upper urinary tract after radical cystectomy is observed in 0.9–9.8 % of patients. Due to the relatively low incidence of cancer, there are no clear recommendations for the prevention, diagnosis, and treatment of recurrence of urothelial cancer in the upper urinary tract after radical cystectomy.</p> <p>The aim of the work is to present the original experience of surgical treatment of relapsed bladder cancer after radical cystectomy in the upper urinary tract.</p> <p>Patient, 69 years 24 months after laparoscopic radical cystprostatectomy with urethrectomy, developed hydronephrosis of the left kidney, computed tomography revealed a formation in the pelvis. Nephroscopy revealed a tumor of the pelvis and calyxes, histologically - transitional cell carcinoma G<sub>2</sub>.</p> <p>Nephrureterectomy was performed completely extraperitoneally. Histological examination of the removed specimen confirmed transitional cell carcinoma in the pelvis: pT2N0M0. 36 months after surgery, serum creatinine was 132 μmmol/L, and there were no signs of disease recurrence.</p> <p>The efficacy of radical nephrureterectomy with excision of the adjacent fragment of the intestinal segment in recurrences of urothelial carcinoma in the upper urinary tract after radical cystectomy has been shown. Separate ureteral anastomoses with intestinal conduit during radical cystectomy are facilitates treatment in cases of complications from the upper urinary tract. The need to develop protocol for the detection of primary urothelial tumors of the upper urinary tract during preoperative examination before radical cystectomy is shown. Further research is needed to determine an algorithm for the early detection and treatment of this kind of relatively rare complications.</p></abstract><trans-abstract xml:lang="ru"><p>Рецидивы уротелиального рака в верхних мочевыводящих путях (ВМП) после радикальной цистэктомии наблюдаются у 0,9–9,8 % пациентов. В связи с относительно невысокой частотой встречаемости не разработано рекомендаций по профилактике, диагностике и лечению рецидивов уротелиального рака в верхних отделах мочевого тракта после радикальной цистэктомии.</p> <p>Цель работы – представить оригинальный опыт оперативного лечения рецидива рака мочевого пузыря после радикальной цистэктомии в ВМП.</p> <p>У пациента 69 лет через 24 мес после лапароскопической радикальной цистпростатэктомии с уретрэктомией развился гидронефроз левой почки, при компьютерной томографии обнаружено образование в лоханке. При нефроскопии выявлена опухоль лоханки и чашечек, гистологически – уротелиальная карцинома G<sub>2</sub>.</p> <p>Пациенту выполнена нефруретерэктомия полностью экстраперитонеально. При гистологическом исследовании удаленного препарата подтверждена уротелиальная карцинома в лоханке, pT2N0M0. Через 36 мес после операции уровень креатинина сыворотки составлял 132 мкмоль/л, признаков рецидивов заболевания не отмечено.</p> <p>Показана эффективность выполнения радикальной нефруретерэктомии с иссечением прилежащего фрагмента кишечного сегмента ретроперитонеоскопическим доступом в качестве хирургического лечения рецидива уротелиального рака в ВМП после радикальной цистэктомии. Выполнение отдельных анастомозов мочеточников с кишечным кондуитом при радикальной цистэктомии облегчает лечение в случаях возникающих осложнений со стороны ВМП. Показана необходимость разработки протоколов выявления первичных уротелиальных опухолей ВМП перед радикальной цистэктомией. Требуются дальнейшие исследования для определения алгоритма раннего выявления и лечения такого рода относительно редких осложнений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>radical cystectomy</kwd><kwd>recurrence of urothelial cancer</kwd><kwd>tumor of the upper urinary tract</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>радикальная цистэктомия</kwd><kwd>рецидив уротелиального рака</kwd><kwd>опухоль верхних мочевыводящих путей</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Hurle R., Losa A., Manzetti A., Lembo A. Upper urinary tract tumors developing after treatment of superficial bladder cancer: 7-year follow-up of 591 consecutive patients. Urology 1999;53(6):1144–8. DOI: 10.1016/s0090-4295(99)00002-3</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Gakis G., Black P.C., Bochner B.H. et al. Systematic review on the fate of the remnant urothelium after radical cystectomy. 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