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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">V.F.Snegirev Archives of Obstetrics and Gynecology</journal-id><journal-title-group><journal-title xml:lang="en">V.F.Snegirev Archives of Obstetrics and Gynecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Архив акушерства и гинекологии им. В.Ф. Снегирева</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-8726</issn><issn publication-format="electronic">2687-1386</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">626345</article-id><article-id pub-id-type="doi">10.17816/aog626345</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical 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="toc-heading" xml:lang="zh"><subject>Clinical case reports</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">Rare forms of ectopic pregnancy in the rudimentary horn and ovary. How not to miss the main thing?</article-title><trans-title-group xml:lang="ru"><trans-title>Редкие формы эктопической беременности: в рудиментарном роге, яичниковая беременность. Как не пропустить главное?</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>异位妊娠的罕见形式：胚角妊娠、卵巢妊娠。如何避免错过重要的事情？</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0006-7932-9061</contrib-id><contrib-id contrib-id-type="spin">9767-6727</contrib-id><name-alternatives><name xml:lang="en"><surname>Ginzburg</surname><given-names>Elizaveta B.</given-names></name><name xml:lang="ru"><surname>Гинзбург</surname><given-names>Елизавета Борисовна</given-names></name><name xml:lang="zh"><surname>Ginzburg</surname><given-names>Elizaveta B.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Assistant Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Assistant Professor</p></bio><email>ginzburg.elizaveta@ya.ru</email><xref ref-type="aff" rid="aff1"/><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/0000-0001-6042-644X</contrib-id><contrib-id contrib-id-type="spin">7524-2646</contrib-id><name-alternatives><name xml:lang="en"><surname>Ginzburg</surname><given-names>Boris G.</given-names></name><name xml:lang="ru"><surname>Гинзбург</surname><given-names>Борис Григорьевич</given-names></name><name xml:lang="zh"><surname>Ginzburg</surname><given-names>Boris G.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine)</p></bio><email>bginz@mail.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kaluga Regional Clinical Hospital</institution></aff><aff><institution xml:lang="ru">Калужская областная клиническая больница</institution></aff><aff><institution xml:lang="zh">Kaluga Regional Clinical Hospital</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Tsiolkovsky Kaluga State University</institution></aff><aff><institution xml:lang="ru">Калужский государственный университет им. К.Э. Циолковского</institution></aff><aff><institution xml:lang="zh">Tsiolkovsky Kaluga State University</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">«Mirpa Medical» Medical Center</institution></aff><aff><institution xml:lang="ru">Медицинский центр «Мирпа Медикал»</institution></aff><aff><institution xml:lang="zh">«Mirpa Medical» Medical Center</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2024-09-09" publication-format="electronic"><day>09</day><month>09</month><year>2024</year></pub-date><pub-date date-type="pub" iso-8601-date="2024-10-07" publication-format="electronic"><day>07</day><month>10</month><year>2024</year></pub-date><volume>11</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>369</fpage><lpage>380</lpage><history><date date-type="received" iso-8601-date="2024-02-01"><day>01</day><month>02</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-07-18"><day>18</day><month>07</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2024,</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Eco-Vector</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="2026-10-07"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0/</ali:license_ref></license></permissions><self-uri xlink:href="https://archivog.com/2313-8726/article/view/626345">https://archivog.com/2313-8726/article/view/626345</self-uri><abstract xml:lang="en"><p>This article presents two cases of ectopic pregnancy in the ovary and rudimentary horn, which had a life-threatening course. Despite availability of modern high-quality diagnostics, determining the condition remains challenging, because the definitive diagnosis is established and confirmed only intraoperatively. Hence, the clinical picture can be used primarily in making a diagnosis and choosing an appropriate treatment strategy. Rare localizations, such as in the ovary and rudimentary horn, which cause difficulties in making a diagnosis, should not be overlooked. If an ectopic pregnancy is not detected promptly and the risks are underestimated, death may occur. Two clinical cases clearly demonstrate timely diagnosis, regardless of additional examination methods (e.g., pelvic ultrasound, human chorionic gonadotropin test), and adequate choice of access and scope of surgical intervention. Moreover, the lack of awareness among women about this type of pathology should be considered. Patients often do not complain, do not remember the date of their last menstruation, do not monitor their menstrual cycle, and do not seek medical help in a timely manner. The combination of several factors can lead to fatal events. In this study, both cases of ectopic pregnancy with a rare localization ended favorably.</p></abstract><trans-abstract xml:lang="ru"><p>В данной статье представлены два клинических случая внематочной беременности редких локализаций (яичниковой и в рудиментарном роге), которые имели жизнеугрожающее течение. Несмотря на современную качественную диагностику, широкодоступную женщинам, мы видим, что постановка диагноза вызвала затруднения, поскольку окончательно его установили и подтвердили только интраоперационно. Исходя из этого, мы сделали вывод, что клиническая картина может стать ведущей в постановке правильного диагноза и выборе правильной тактики врачом. Не следует упускать из виду такие редкие локализации, вызывающие затруднения при постановке диагноза. Если своевременно не выявить внематочную беременность и недооценить риски, то возможно развитие летального исхода. Два клинических случая ярко демонстрируют своевременную постановку диагноза, вне зависимости от дополнительных методов обследования (УЗИ органов малого таза, β-ХГЧ), и адекватный выбор доступа и объёма оперативного вмешательства. Также не следует забывать о недостаточной информированности женщин о данном виде патологии. Часто пациентки не предъявляют жалоб, не помнят дату последней менструации или вовсе не следят за менструальным циклом, несвоевременно обращаются за медицинской помощью. Сочетание нескольких факторов может привести к фатальному развитию событий. В данной статье оба случая эктопической беременности с редкой локализацией закончились благополучно.</p></trans-abstract><trans-abstract xml:lang="zh"><p>本文介绍了两个临床病例，这两个病例均为罕见的异位妊娠（卵巢妊娠和胚角妊娠），其病程危及生命。尽管现代高质量的诊断技术已广泛应用于妇女，但我们看到诊断的建立造成了困难，因为只有在术中才能最终确定和证实。在此基础上，我们得出结论，临床表现是医生做出正确诊断和选择正确策略的首要因素。这种导致诊断困难的罕见定位不应被忽视。如果不能及时发现异位妊娠，低估其风险，则有可能导致死亡。两例临床病例清楚地表明，无论采用其他检查方法（盆腔超声、β-hCG），还是充分选择手术干预的通路和范围，都能及时确诊。我们不应忘记，妇女对这类病变缺乏认识。患者往往没有任何主诉，不记得上次月经的日期，或者根本不关注自己的月经周期，也不及时就医。多种因素的综合作用会导致致命的事态发展。在本文中，两例罕见定位的异位妊娠均安全结束。</p></trans-abstract><kwd-group xml:lang="en"><kwd>ectopic pregnancy</kwd><kwd>clinical case</kwd><kwd>ovarian pregnancy</kwd><kwd>pregnancy in the rudimentary horn</kwd><kwd>fetal egg</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>эктопическая беременность</kwd><kwd>клинический случай</kwd><kwd>яичниковая беременность</kwd><kwd>беременность в рудиментарном роге</kwd><kwd>плодное яйцо</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>异位妊娠</kwd><kwd>临床病例</kwd><kwd>卵巢妊娠</kwd><kwd>胚角妊娠</kwd><kwd>胎卵</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">Sarsembayeva MM. 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