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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">682</article-id><article-id pub-id-type="doi">10.24287/1726-1708-2022-21-4-91-98</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">A clinical case of composite pheochromocytoma in a child and a literature review</article-title><trans-title-group xml:lang="ru"><trans-title>Композитная феохромоцитома у ребенка. Редкое наблюдение и обзор литературы</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7846-3473</contrib-id><name-alternatives><name xml:lang="en"><surname>Sagoyan</surname><given-names>G. B.</given-names></name><name xml:lang="ru"><surname>Сагоян</surname><given-names>Г. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><bold>Garik B. Sagoyan</bold>, a researcher, a pediatric oncologist at the Research Institute of Pediatric Oncology and Hematology</p><p><italic>115478, Moscow, Kashirskoe shosse, 23</italic></p></bio><bio xml:lang="ru"><p><bold>Сагоян Гарик Барисович</bold>, научный сотрудник, врач-детский онколог НИИ детской онкологии и гематологии</p><p><italic>115478, Москва, Каширское шоссе, 23</italic></p></bio><email>sagoyan-garik@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5489-1879</contrib-id><name-alternatives><name xml:lang="en"><surname>Suleymanova</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Сулейманова</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8578-6572</contrib-id><name-alternatives><name xml:lang="en"><surname>Sidorov</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Сидоров</surname><given-names>И. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3328-0988</contrib-id><name-alternatives><name xml:lang="en"><surname>Sardalova</surname><given-names>S. A.</given-names></name><name xml:lang="ru"><surname>Сардалова</surname><given-names>С. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1016-539X</contrib-id><name-alternatives><name xml:lang="en"><surname>Rubanskaya</surname><given-names>M. V.</given-names></name><name xml:lang="ru"><surname>Рубанская</surname><given-names>М. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9774-8039</contrib-id><name-alternatives><name xml:lang="en"><surname>Temnyy</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Темный</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2794-6886</contrib-id><name-alternatives><name xml:lang="en"><surname>Ignatenko</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Игнатенко</surname><given-names>О. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3576-6156</contrib-id><name-alternatives><name xml:lang="en"><surname>Odzharova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Оджарова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7732-8184</contrib-id><name-alternatives><name xml:lang="en"><surname>Konovalov</surname><given-names>D. M.</given-names></name><name xml:lang="ru"><surname>Коновалов</surname><given-names>Д. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3463-3626</contrib-id><name-alternatives><name xml:lang="en"><surname>Kosilo</surname><given-names>O. L.</given-names></name><name xml:lang="ru"><surname>Косило</surname><given-names>О. Л.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7309-1650</contrib-id><name-alternatives><name xml:lang="en"><surname>Kazantsev</surname><given-names>A. P.</given-names></name><name xml:lang="ru"><surname>Казанцев</surname><given-names>А. П.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6131-1783</contrib-id><name-alternatives><name xml:lang="en"><surname>Varfolomeeva</surname><given-names>S. R.</given-names></name><name xml:lang="ru"><surname>Варфоломеева</surname><given-names>С. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p><italic>Moscow</italic></p></bio><bio xml:lang="ru"><p><italic>Москва</italic></p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.N. Blokhin National Medical Research Center of Oncology of Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><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="aff3"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University of Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Российский национальный исследовательский медицинский университет им. Н.И. Пирогова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-12-26" publication-format="electronic"><day>26</day><month>12</month><year>2022</year></pub-date><volume>21</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>91</fpage><lpage>98</lpage><history><date date-type="received" iso-8601-date="2023-01-17"><day>17</day><month>01</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-01-17"><day>17</day><month>01</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, «D. Rogachev NMRCPHOI»</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, ФГБУ «НМИЦ ДГОИ им. Дмитрия Рогачева» Минздрава России</copyright-statement><copyright-year>2022</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/682">https://hemoncim.com/jour/article/view/682</self-uri><abstract xml:lang="en"><p>Composite pheochromocytoma (CPh) is a rare malignant neoplasm that occurs in different age ranges. The main treatment for pheochromocytoma is a complete surgical removal of the tumor, while in the case of neuroblastoma, risk-adapted therapy is used, depending on the risk group, including chemotherapy, autologous bone marrow transplantation, radiation therapy, immunotherapy and <sup>131</sup>I-metaiodbenzylguanidine therapy. Due to the rarity of CPh, there are no standard approaches to systemic therapy. The tactics and extent of treatment are determined according to the predominance of the tumor malignant component. This article presents a rare case of the development of composite pheochromocytoma with poorly differentiated neuroblastoma of the left adrenal gland in a 4-year-old child. The patient’s parents gave 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>Композитная феохромоцитома (КФ) – редкое злокачественное новообразование, встречающееся в различном возрастном диапазоне. Основным методом лечения феохромоцитомы является полное хирургическое удаление опухоли, тогда как в случае с нейробластомой используется терапия в зависимости от группы риска и могут применяться полихимиотерапия, аутологичная трансплантация костного мозга, лучевая терапия, иммунотерапия и терапия <sup>131</sup>I-метайодбензилгуанидином. В связи с редкостью КФ стандартных подходов к системной терапии нет. Выбор тактики и объем лечения определяются по наиболее неблагоприятному компоненту опухоли. В данной статье представлен редкий случай КФ с низкодифференцированной нейробластомой левого надпочечника у ребенка 4 лет. 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>rare tumors</kwd><kwd>pheochromocytoma</kwd><kwd>neuroblastoma</kwd><kwd>pediatric oncolog</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>редкие опухоли</kwd><kwd>феохромоцитома</kwd><kwd>нейробластома</kwd><kwd>детская онкология</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность профессору H. Lode (Университетская клиника, Грайфсвальд, Германия) за консультативную помощь в выборе тактики ведения пациента, описанной в статье, а также АО «Рош-Москва» за оказание благотворительной помощи при выполнении теста FoundationOne CDx и организации транспортировки гистологического материла в Германию.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">1. 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