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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">Russian Journal of Pediatric Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Pediatric Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Детская хирургия</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1560-9510</issn><issn publication-format="electronic">2412-0677</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">861</article-id><article-id pub-id-type="doi">10.17816/ps861</article-id><article-id pub-id-type="edn">ITIADV</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Case reports</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">A treatment strategy in uterine adnexal torsion with a tumour mass in a 12-year-old girl: a case report</article-title><trans-title-group xml:lang="ru"><trans-title>Тактика лечения при перекруте придатков матки с опухолевидным образованием у девочки в возрасте 12 лет: клиническое наблюдение</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5080-4838</contrib-id><contrib-id contrib-id-type="spin">1122-0394</contrib-id><name-alternatives><name xml:lang="en"><surname>Chundokova</surname><given-names>Madina A.</given-names></name><name xml:lang="ru"><surname>Чундокова</surname><given-names>Мадина Арсеновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Assistant Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, доцент</p></bio><email>cmadina@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/0000-0001-5032-5741</contrib-id><contrib-id contrib-id-type="spin">8276-6249</contrib-id><name-alternatives><name xml:lang="en"><surname>Ushakova</surname><given-names>Ulviya I.</given-names></name><name xml:lang="ru"><surname>Ушакова</surname><given-names>Ульвия Исмихан-кызы</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>u.yusifova.u@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-4940-5187</contrib-id><name-alternatives><name xml:lang="en"><surname>Gapaeva</surname><given-names>Yasmina A.</given-names></name><name xml:lang="ru"><surname>Гапаева</surname><given-names>Ясмина Анзоровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ysmngaa@bk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-4620-2844</contrib-id><name-alternatives><name xml:lang="en"><surname>Alishbieva</surname><given-names>Madina O.</given-names></name><name xml:lang="ru"><surname>Алишбиева</surname><given-names>Мадина Османовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>alishbieva01@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-4689-8146</contrib-id><name-alternatives><name xml:lang="en"><surname>Uzarova</surname><given-names>Khava A.</given-names></name><name xml:lang="ru"><surname>Узарова</surname><given-names>Хава Аслановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>uzarovahava@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">The Russian National Research Medical University named after N.I. Pirogov</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет имени Н.И. Пирогова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Filatov N.F. Children’s City Hospital</institution></aff><aff><institution xml:lang="ru">Детская городская клиническая больница имени Н.Ф. Филатова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-10-31" publication-format="electronic"><day>31</day><month>10</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-11-28" publication-format="electronic"><day>28</day><month>11</month><year>2025</year></pub-date><volume>29</volume><issue>5</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>332</fpage><lpage>337</lpage><history><date date-type="received" iso-8601-date="2025-04-02"><day>02</day><month>04</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-10-13"><day>13</day><month>10</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Gapaeva Y., Chundokova M., Yusifova U., Alishbieva M., Uzarova H.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-вектор</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Gapaeva Y., Chundokova M., Yusifova U., Alishbieva M., Uzarova H.</copyright-holder><copyright-holder xml:lang="ru">Эко-вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-11-28"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://jps-nmp.ru/jour/article/view/861">https://jps-nmp.ru/jour/article/view/861</self-uri><abstract xml:lang="en"><p>Uterine appendage torsion in children is an urgent problem of pediatric gynecology and surgery. An increase in the ovarian volume is associated with the risk of uterine appendage torsion, while tumor stem torsion is one of the main complications of ovarian tumors. Any newly identified lesion should be evaluated for malignancy which defines the type of surgical intervention. If the malignancy of the formation is excluded, ovarian-sparing surgery can be successfully applied.</p> <p>The paper presents a case of uterine appendage torsion in a teenage girl with a benign germinogenic ovarian tumor who had been initially hospitalized with a clinical picture of an acute abdomen and non-specific symptoms for torsion. During laparoscopic detorsion, it was decided to refrain from removing the cystic formation from the affected ovary. In 3 months at the repeated hospitalization, the child was examined with ultrasound, magnetic resonance imaging with contrast to determine the concentration of a number of markers (alpha-fetoprotein, lactate dehydrogenase, chorionic gonadotropin). The patients was also consulted by an oncologist: a teratoma was detected and removed laparoscopically. The patient’s management was staged: first, detorsion of the right uterine appendages, then removal of the bulky formation of the ovary using the technique of relaparoscopy. After morphological examination, diagnosis of mature teratoma was put; an immunohistochemical assay confirmed it.</p> <p>The presented clinical observation underlines the importance of early diagnostics and an individual approach to choosing a curative modality in case of uterine appendage torsion in girls. Laparoscopic organ-preserving surgery is the preferred approach so as to minimize tissue injury and to preserve ovarian reserves.</p> <p>Presenting this clinical case is an important step so as to raise doctors’ awareness of the complications of ovarian tumors in children and adolescents (in particular, torsion of uterine appendages) which will help to improve diagnostics and treatment of such conditions in adolescent girls.</p></abstract><trans-abstract xml:lang="ru"><p>Перекрут придатков матки у детей является актуальной проблемой детской гинекологии и хирургии. Увеличение объёма яичника сопряжено с риском перекрута придатков матки, при этом перекрут ножки опухоли является одним из основных осложнений опухолей яичников. Любое впервые выявленное образование должно быть оценено на предмет злокачественности, что определяет этапность хирургического вмешательства. При исключении злокачественности образования может быть успешно применена овариосберегающая хирургия.</p> <p>Представлен случай перекрута придатков матки у девочки-подростка с доброкачественной герминогенной опухолью яичника, первично госпитализированной с клинической картиной острого живота и неспецифичными для перекрута симптомами. При лапароскопической деторсии было решено воздержаться от удаления кистозного образования из заинтересованного яичника. Через 3 месяца при повторной госпитализации ребёнок обследован методами ультразвукового исследования, магнитно-резонансной томографии с контрастированием с определением концентрации ряда маркеров (альфа-фетопротеин, лактатдегидрогеназа, гонадотропин хорионический); проведена также консультация онколога: обнаружена и удалена лапароскопическим методом тератома. Лечение проведено поэтапно: сначала выполнена деторсия правых придатков матки, затем удалено объёмное образование яичника с применением методики релапароскопии. Согласно морфологическому заключению, выставлен диагноз зрелой тератомы, что подтвердилось при иммуногистохимическом исследовании.</p> <p>На основе представленного клинического наблюдения сделаны выводы о важности ранней диагностики и индивидуального подхода к выбору метода лечения при перекруте придатков матки у девочек. Лапароскопическая органосохраняющая операция является предпочтительным методом лечения благодаря минимальному травмированию тканей при сохранении овариального резерва.</p> <p>Представление данного клинического случая важно для повышения осведомлённости врачей об осложнениях опухолей яичников у детей и подростков (в частности, о перекруте придатков матки), что поможет улучшить диагностику и тактику лечения подобных состояний у девочек-подростков.</p></trans-abstract><kwd-group xml:lang="en"><kwd>adnexal torsion</kwd><kwd>teratoma</kwd><kwd>detorsion</kwd><kwd>adolescent girls</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>перекрут придатков матки</kwd><kwd>тератома</kwd><kwd>деторсия</kwd><kwd>девочки-подростки</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Bebenina AA, Chundokova MA, Golovanev MA. Torsion of the uterine appendages in a 12-year-old girl. 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