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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="review-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Obstetrics and Gynecology</journal-id><journal-title-group><journal-title xml:lang="en">Obstetrics and Gynecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Акушерство и гинекология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0300-9092</issn><issn publication-format="electronic">2412-5679</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">330215</article-id><article-id pub-id-type="doi">10.18565/aig.2022.267</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Reviews</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Обзоры</subject></subj-group><subj-group subj-group-type="article-type"><subject>Review Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Fetal sacrococcygeal teratoma: new about an old problem</article-title><trans-title-group xml:lang="ru"><trans-title>Крестцово-копчиковая тератома у плода: новое о старой проблеме</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kadyrberdieva</surname><given-names>Faina Z.</given-names></name><name xml:lang="ru"><surname>Кадырбердиева</surname><given-names>Фаина Залимхановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, obstetrician-gynecologist</p></bio><bio xml:lang="ru"><p>к.м.н., врач акушер-гинеколог</p></bio><email>f_kadyrberdieva@oparina4.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Syrkashev</surname><given-names>Egor M.</given-names></name><name xml:lang="ru"><surname>Сыркашев</surname><given-names>Егор Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD, Researcher at the Radiology Department</p></bio><bio xml:lang="ru"><p>к.м.н., н.с. отделения лучевой диагностики</p></bio><email>e_syrkashev@oparina4.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kostyukov</surname><given-names>Kirill V.</given-names></name><name xml:lang="ru"><surname>Костюков</surname><given-names>Кирилл Витальевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Med. Sci., Head of the Department of the Functional Diagnosis</p></bio><bio xml:lang="ru"><p>д.м.н., заведующий отделением ультразвуковой и функциональной диагностики</p></bio><email>k_kostyukov@oparina4.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shmakov</surname><given-names>Roman G.</given-names></name><name xml:lang="ru"><surname>Шмаков</surname><given-names>Роман Георгиевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Med. Sci., Professor of the RAS, Director of the Institute of Obstetrics</p></bio><bio xml:lang="ru"><p>д.м.н., профессор РАН, директор Института акушерства</p></bio><email>r_shmakov@oparina4.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Academician V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology, and Perinatology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр акушерства, гинекологии и перинатологии имени академика В.И. Кулакова» Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-04-18" publication-format="electronic"><day>18</day><month>04</month><year>2023</year></pub-date><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>12</fpage><lpage>17</lpage><history><date date-type="received" iso-8601-date="2023-04-15"><day>15</day><month>04</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-04-15"><day>15</day><month>04</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, ООО «Бионика Медиа»</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0300-9092/article/view/330215">https://journals.eco-vector.com/0300-9092/article/view/330215</self-uri><abstract xml:lang="en"><p><italic>Fetal sacrococcygeal teratoma (SCT) is a complex multifactorial disease; the prediction of its outcomes remains an unresolved problem. SCT complicates not only the postnatal period, but also the antenatal one: there is compression of adjacent organs, tumor rupture, tumor hemorrhage, heart failure, nonimmune hydrops fetalis (NIHF), and antepartum fetal death. A literature analysis could identify the factors of an adverse outcome in fetal SCT; when they are detected, fetal surgery is used worldwide. The goal of intrauterine surgery is to reduce/stop blood supply to the tumor and to resect or completely remove the latter in order to improve perinatal outcomes.</italic></p> <p><italic>Early detection of fetal malformations, widespread clinical introduction and use of the known factors of an adverse outcome will be able to make a timely decision on the possibility and expediency of prolonging pregnancy; but in some cases to significantly affect perinatal outcomes while timely using fetal surgical interventions. Fetal surgery for high-risk SCT certainly improves perinatal outcomes; however, there is today no consensus on the indications for surgery, procedures, and timing of implementation, which requires further investigations.</italic></p> <p><bold><italic>Conclusion:</italic></bold><italic> When there is a preponderance of a cystic component having a low vascularity, the prognosis of SCT is considered relatively favorable. When there is solid SCT with an abundant vascularity, there are high risks for heart failure and NIHF, resulting in an adverse outcome. Therefore, these cases need active tactics: follow-up, intrauterine surgical interventions done as clinically indicated, as well as timely delivery.</italic></p></abstract><trans-abstract xml:lang="ru"><p><italic>Крестцово-копчиковая тератома у плода (ККТ) является сложным мультифакториальным заболеванием, прогнозирование исходов которого остается нерешенной проблемой. Наличие ККТ осложняет течение не только постнатального, но и антенатального периода: компрессия смежных органов, разрыв опухоли, кровоизлияние в опухоль, развитие сердечной недостаточности, неиммунной водянки плода (НИВП), антенатальная гибель плода. Анализ литературы позволил выделить факторы неблагоприятного исхода при ККТ плода; при их выявлении в мире применяется фетальная хирургия. Целью внутриутробной хирургии являются уменьшение/прекращение кровоснабжения опухоли, резекция опухоли или полное ее удаление для улучшения перинатальных исходов.</italic></p> <p><italic>Раннее выявление порока развития плода, широкое внедрение и использование в клинической деятельности известных факторов неблагоприятного исхода позволят своевременно принять решение о возможности и целесообразности пролонгирования беременности, а в ряде случаев значительно повлиять на перинатальные исходы посредством своевременного применения фетальных хирургических вмешательств. Фетальные хирургические вмешательства при ККТ высокого риска, безусловно, улучшают перинатальные исходы, однако единого мнения о показаниях к хирургическому вмешательству, методиках и сроках его выполнения на сегодняшний день не существует, что требует проведения дальнейших исследований.</italic></p> <p><bold><italic>Заключение:</italic></bold><italic> В случаях преобладания кистозного компонента с низкой васкуляризацией прогноз ККТ считается относительно благоприятным. При солидном строении ККТ с обильной васкуляризацией имеются высокие риски развития сердечной недостаточности, НИВП и, как следствие, неблагоприятного исхода. Поэтому в таких случаях требуется активная тактика: динамическое наблюдение, проведение внутриутробных хирургических вмешательств по показаниям, а также своевременное родоразрешение.</italic></p></trans-abstract><kwd-group xml:lang="en"><kwd>fetal sacrococcygeal teratoma</kwd><kwd>fetal surgery</kwd><kwd>open fetal surgery</kwd><kwd>nonimmune hydrops fetalis</kwd><kwd>fetal malformation</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>крестцово-копчиковая тератома</kwd><kwd>фетальная хирургия</kwd><kwd>открытая операция на плоде</kwd><kwd>неиммунная водянка плода</kwd><kwd>порок развития плода</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Pauniaho S.L., Heikinheimo O., Vettenranta K., Salonen J., Stefanovic V., Ritvanen A. et al. High prevalence of sacrococcygeal teratoma in Finland - a nationwide population-based study. 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