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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">564</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2021-20-4-33-41</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Choroid plexus papilloma and atypical choroid plexus papilloma in children: treatment results</article-title><trans-title-group xml:lang="ru"><trans-title>Хориоидпапиллома и атипическая хориоидпапиллома у детей: результаты лечения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2977-665X</contrib-id><name-alternatives><name xml:lang="en"><surname>Valiakhmetova</surname><given-names>A. F.</given-names></name><name xml:lang="ru"><surname>Валиахметова</surname><given-names>Э. Ф.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>a junior researcher at the Department of Treatment Optimization for CNS Tumours, 1 Samory Mashela St., Moscow 117997;</p><p>a pediatric oncologist at the 1st Department of Neurosurgery, Moscow</p></bio><bio xml:lang="ru"><p>младший научный сотрудник отдела оптимизации терапии опухолей центральной нервной системы,</p><p>117997, Москва, ул. Саморы Машела, 1</p></bio><email>andgeval@gmail.com</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/0000-0001-7750-5216</contrib-id><name-alternatives><name xml:lang="en"><surname>Papusha</surname><given-names>L. I.</given-names></name><name xml:lang="ru"><surname>Папуша</surname><given-names>Л. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>117997, Москва, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5893-0508</contrib-id><name-alternatives><name xml:lang="en"><surname>Sanakoeva</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Санакоева</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>117997, Москва, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7045-7223</contrib-id><name-alternatives><name xml:lang="en"><surname>Shishkina</surname><given-names>L. V.</given-names></name><name xml:lang="ru"><surname>Шишкина</surname><given-names>Л. В.</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="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3232-2322</contrib-id><name-alternatives><name xml:lang="en"><surname>Budanov</surname><given-names>O. I.</given-names></name><name xml:lang="ru"><surname>Быданов</surname><given-names>О. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>117997, Москва, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2322-5734</contrib-id><name-alternatives><name xml:lang="en"><surname>Novichkova</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Новичкова</surname><given-names>Г. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>117997, Москва, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0984-2039</contrib-id><name-alternatives><name xml:lang="en"><surname>Gorelyshev</surname><given-names>S. K.</given-names></name><name xml:lang="ru"><surname>Горелышев</surname><given-names>С. К.</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="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Karachunskiy</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Карачунский</surname><given-names>А. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>1 Samory Mashela St., Moscow 117997</p></bio><bio xml:lang="ru"><p>117997, Москва, ул. Саморы Машела, 1</p></bio><xref ref-type="aff" rid="aff1"/></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">N.N. Burdenko National Medical Research Center of Neurosurgery</institution></aff><aff><institution xml:lang="ru">ФГАУ «Национальный медицинский исследовательский центр нейрохирургии им. акад. Н.Н. Бурденко» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-12-22" publication-format="electronic"><day>22</day><month>12</month><year>2021</year></pub-date><volume>20</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>33</fpage><lpage>41</lpage><history><date date-type="received" iso-8601-date="2021-12-21"><day>21</day><month>12</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-12-21"><day>21</day><month>12</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2021</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/564">https://hemoncim.com/jour/article/view/564</self-uri><abstract xml:lang="en"><p>Choroid plexus tumors (CPTs) are rare intraventricular tumors, accounting 2–5% of brain tumors in children. Choroid plexus papilloma (CPP) classified by the World Health Organization (WHO) on the basis of histological criteria as benign tumor (WHO grade I), CPPs accounts for 10–20% of brain tumors during the first year of life, the median age of patients with CPP at the time of diagnosis – 3.5 years. Atypical choroid plexus papilloma (APP) is an intermediate (WHO grade II) tumor which was officially included in the WHO classification in 2007. Median age 0,63 years. In this work, for the first time in the Russian literature, we present the outcomes of CPP and APP therapy in a large cohort of patients. The study was approved by the Independent Ethics Committee and the Scientific Council of the D. Rogachev NMRCPHOI. In our study from January 1, 2009 to December 31, 2019, 83 CPP and 37 APP were histologically verified. For all patients, surgical removal of the tumor was the first stage of treatment. In 79 (95.2%) patients with CPP and in 32 (86.5%) children with APP, radical resection was performed at the first stage. In 73.5% of children with CPP and 62.2% of children with APP there was no intra- and postoperative complications. In both CPP and APP, the 5-year EFS in patients with complete resection was statistically significantly higher compared to subtotal tumor resection (100% and 33 ± 27% in CPP, 94 ± 4% and 25 ± 22% for APP) (p &lt; 0.001). Chemoradiation therapy was given to 1 patient with CPP, 4 patients with APP with tumor recurrence/progression. </p></abstract><trans-abstract xml:lang="ru"><p>Опухоли сосудистого сплетения (ОСС) – это редкие новообразования, локализующиеся в желудочках головного мозга и составляющие 2–5% опухолей головного мозга (ОГМ) у детей. Согласно классификации Всемирной организации здравоохранения (ВОЗ) для опухолей центральной нервной системы хориоидпапиллома (ХП) – это доброкачественное новообразование I степени злокачественности, которое составляет 10–20% ОГМ у детей первого года жизни, медиана возраста пациентов с ХП на момент постановки диагноза составляет 3,5 года. Атипическая ХП (АХП) является ОСС II (промежуточной) степени злокачественности, которую официально включили в классификацию ВОЗ в 2007 г. Медиана возраста 0,63 года. В настоящей работе впервые в отечественной литературе проанализированы исходы терапии ХП и АХП на большой когорте пациентов. Данное исследование одобрено независимым этическим комитетом и утверждено решением ученого совета НМИЦ ДГОИ им. Дмитрия Рогачева. В нашем исследовании в период с 1 января 2009 г. по 31 декабря 2019 г. было верифицировано 83 ХП и 37 АХП. Для всех пациентов хирургическое удаление опухоли было первым этапом лечения. У 79 (95,2%) пациентов с ХП и у 32 (86,5%) детей с АХП удалось выполнить радикальную резекцию на первом этапе. У 73,5% детей с ХП и 62,2% пациентов с АХП интра- и послеоперационных осложнений не наблюдалось. Как при ХП, так и при АХП 5-летняя бессобытийная выживаемость у пациентов с полным удалением была статистически значимо выше по сравнению с субтотальным удалением опухоли (100% и 33 ± 27% соответственно для ХП, 94 ± 4% и 25 ± 22% соответственно для АХП) (p &lt; 0,001). Химиолучевая терапия была проведена 1 пациентке с ХП и 4 больным с АХП при рецидиве/прогрессии опухоли. </p></trans-abstract><kwd-group xml:lang="en"><kwd>choroid plexus tumors</kwd><kwd>choroid plexus papilloma</kwd><kwd>atypical choroid plexus papilloma</kwd><kwd>children</kwd><kwd>survival</kwd><kwd>surgery</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>опухоли сосудистого сплетения</kwd><kwd>хориоидпапиллома</kwd><kwd>атипическая хориоидпапиллома</kwd><kwd>дети</kwd><kwd>выживаемость</kwd><kwd>хирургическое вмешательство</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. Merino D.M., Shlien A., Villani A., Pienkowska M., Mack S., Ramaswamy V., et al. Molecular characterization of choroid plexus tumors reveals novel clinically relevant subgroups. Clin Cancer Res 2015; 21 (1): 184–92. 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