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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">Pediatric Hematology/Oncology and Immunopathology</journal-id><journal-title-group><journal-title xml:lang="en">Pediatric Hematology/Oncology and Immunopathology</journal-title><trans-title-group xml:lang="ru"><trans-title>Вопросы гематологии/онкологии и иммунопатологии в педиатрии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1726-1708</issn><issn publication-format="electronic">2414-9314</issn><publisher><publisher-name xml:lang="en">Fund Doctors, Innovations, Science for Children</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">754</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2023-22-4-121-126</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CLINICAL OBSERVATIONS</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">Prosthetic replacement of the inferior vena cava and common iliac veins in a child with locally advanced Wilms tumor complicated by tumor thrombosis</article-title><trans-title-group xml:lang="ru"><trans-title>Опыт протезирования нижней полой и подвздошных вен при местнораспространенной нефробластоме, осложненной опухолевым тромбозом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1387-209X</contrib-id><contrib-id contrib-id-type="spin">6893-6854</contrib-id><name-alternatives><name xml:lang="en"><surname>Akhaladze</surname><given-names>D. G.</given-names></name><name xml:lang="ru"><surname>Ахаладзе</surname><given-names>Д. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dmitry G. Akhaladze, Dr. Med. Sci., Head of Thoracoabdominal Surgery Group</p><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>Ахаладзе Дмитрий Гурамович, д-р мед. наук, руководитель отдела торакоабдоминальной хирургии</p><p>117997, Москва, ул. Саморы Машела, 1</p></bio><email>d.g.akhaladze@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6684-5423</contrib-id><name-alternatives><name xml:lang="en"><surname>Pavlushin</surname><given-names>P. M.</given-names></name><name xml:lang="ru"><surname>Павлушин</surname><given-names>П. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Novosibirsk</p></bio><bio xml:lang="ru"><p>Новосибирск</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7338-7275</contrib-id><name-alternatives><name xml:lang="en"><surname>Gramzin</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Грамзин</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Novosibirsk</p></bio><bio xml:lang="ru"><p>Новосибирск</p></bio><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1176-6741</contrib-id><name-alternatives><name xml:lang="en"><surname>Tsyganok</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Цыганок</surname><given-names>В. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Novosibirsk</p></bio><bio xml:lang="ru"><p>Новосибирск</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3704-8783</contrib-id><name-alternatives><name xml:lang="en"><surname>Kachanov</surname><given-names>D. Yu.</given-names></name><name xml:lang="ru"><surname>Качанов</surname><given-names>Д. Ю.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Moscow</p></bio><bio xml:lang="ru"><p>Москва</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gosteva</surname><given-names>K. V.</given-names></name><name xml:lang="ru"><surname>Гостева</surname><given-names>К. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Novosibirsk</p></bio><bio xml:lang="ru"><p>Новосибирск</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-0415-1397</contrib-id><name-alternatives><name xml:lang="en"><surname>Tatarintsev</surname><given-names>V. A.</given-names></name><name xml:lang="ru"><surname>Татаринцев</surname><given-names>В. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Novosibirsk</p></bio><bio xml:lang="ru"><p>Новосибирск</p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-8352-7943</contrib-id><name-alternatives><name xml:lang="en"><surname>Grekov</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Греков</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Novosibirsk</p></bio><bio xml:lang="ru"><p>Новосибирск</p></bio><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр детской гематологии, онкологии и иммунологии им. Дмитрия Рогачева» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">State Novosibirsk Regional Clinical Hospital</institution></aff><aff><institution xml:lang="ru">ГБУЗ НСО «Государственная Новосибирская областная клиническая больница»</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Novosibirsk State Medical University of Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Новосибирский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-12-20" publication-format="electronic"><day>20</day><month>12</month><year>2023</year></pub-date><volume>22</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>121</fpage><lpage>126</lpage><history><date date-type="received" iso-8601-date="2023-08-28"><day>28</day><month>08</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-10-17"><day>17</day><month>10</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">«D. Rogachev NMRCPHOI»</copyright-holder><copyright-holder xml:lang="ru">ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</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://hemoncim.com/jour/article/view/754">https://hemoncim.com/jour/article/view/754</self-uri><abstract xml:lang="en"><p>Tumor thrombosis of the inferior vena cava in children with nephroblastoma is a relatively rare complication that requires a multimodal approach to treatment and involves many specialists. This condition occurs in 10% of children with Wilms tumor but cases when a tumor thrombus extends to the orifices of the hepatic veins and more cranially, are much less common. In most patients, neoadjuvant chemotherapy can significantly reduce the size of a tumor thrombus, which may eliminate the need for revision surgery of the inferior vena cava. Due to the rarity of this clinical condition, the optimal surgical strategy for tumor thrombosis of the inferior vena cava in children has not been fully defined yet. Here, we present a clinical case of a child with locally advanced stage 4 Wilms tumor of the right kidney and tumor thrombosis of the inferior vena cava that extended mostly in the caudal direction, to the confluence of the iliac veins. The patient received 6 weeks of neoadjuvant therapy with AVD (actinomycin D, vincristine, doxorubicin) and underwent nephrectomy for local control, with prosthetic replacement of the terminal sections of the common iliac veins as well as of the inferior vena cava up to its subhepatic segment, and implantation of the left renal vein. In the early postoperative period, the child developed thrombosis of the prosthesis, without hemodynamically significant abnormalities. At the time of writing, the patient had been followed up for 12 months and was considered to be in remission. The patient’s parents gave their consent to the use of their child's data, including photographs, for research purposes and in publications.</p></abstract><trans-abstract xml:lang="ru"><p>Опухолевый тромбоз нижней полой вены при нефробластоме в детском возрасте – относительно редкое осложнение основного заболевания, которое требует мультимодального подхода в лечении с привлечением множества специалистов. Данное состояние встречается у 10% детей с опухолью Вильмса, однако случаи распространения опухолевого тромба до устья печеночных вен и краниальнее встречаются существенно реже. Неоадъювантная химиотерапия в большинстве случаев позволяет значимо сократить размер опухолевого тромба, что может исключить необходимость ревизии нижней полой вены. Учитывая редкость данного клинического состояния, не до конца определена хирургическая тактика при опухолевом тромбозе нижней полой вены у детей. В статье представлено клиническое наблюдение комплексного лечения ребенка с местнораспространенной нефробластомой правой почки IV стадии, опухолевым тромбозом нижней полой вены, который распространялся в большей степени каудально к месту слияния подвздошных вен. В неоадъювантной терапии применяли 6-недельный блок AVD (актиномицин Д, винкристин, доксорубицин), локальный контроль в объеме нефрэктомии с протезированием терминальных отделов общих подвздошных вен, нижней полой вены до подпеченочного отдела и имплантацией левой почечной вены с последующим тромбозом протеза в раннем послеоперационном периоде без гемодинамически значимых нарушений. На момент написания статьи период наблюдения за пациентом составил 12 мес, констатирована ремиссия болезни. Родители пациента дали согласие на использование информации, в том числе фотографий ребенка, в научных исследованиях и публикациях.</p></trans-abstract><kwd-group xml:lang="en"><kwd>nephroblastoma</kwd><kwd>Wilms tumor</kwd><kwd>tumor thrombosis</kwd><kwd>inferior vena cava</kwd><kwd>prosthetic replacement</kwd><kwd>children</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нефробластома</kwd><kwd>опухоль Вильмса</kwd><kwd>опухолевый тромбоз</kwd><kwd>нижняя полая вена</kwd><kwd>протезирование</kwd><kwd>дети</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">1. Cabezalí Barbancho D., Guerrero Ramos F., López Vázquez F., Aransay Bramtot A., Gómez Fraile A. Laparoscopic approach for Wilms tumor. Surg Laparosc Endosc Percutan Tech 2014; 24: 22–5. 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