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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">Surgery and Oncology</journal-id><journal-title-group><journal-title xml:lang="en">Surgery and Oncology</journal-title><trans-title-group xml:lang="ru"><trans-title>Хирургия и онкология</trans-title></trans-title-group></journal-title-group><issn publication-format="electronic">2949-5857</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">493</article-id><article-id pub-id-type="doi">10.17650/2686-9594-2021-11-1-28-34</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL REPORT</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНОЕ ИССЛЕДОВАНИЕ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Features of treatment rare forms of stromal cell ovarian tumors</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности лечения редких форм стромально‑клеточных опухолей яичников: серия клинических наблюдений</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4915-2219</contrib-id><name-alternatives><name xml:lang="en"><surname>Beishembaev</surname><given-names>A.   М.</given-names></name><name xml:lang="ru"><surname>Бейшембаев</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="KG">Kyrgyzstan</country></address><bio xml:lang="en"><p>144а Bokonbaeva St., Bishkek 720064</p></bio><bio xml:lang="ru"><p>Алмаз Мукашевич Бейшембаев  </p><p>720064 Бишкек, ул. Боконбаева, 144а</p></bio><email>almazyaka@yandex.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kyrgyz State Medical Institute of Advanced Training and Retraining named after S.B. Daniyarov, Ministry of Health of Kyrgyz Republic</institution></aff><aff><institution xml:lang="ru">Кыргызский государственный медицинский институт переподготовки и повышения квалификации им. С.Б. Даниярова Министерства здравоохранения Кыргызской Республики</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-06-02" publication-format="electronic"><day>02</day><month>06</month><year>2021</year></pub-date><volume>11</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>28</fpage><lpage>34</lpage><history><date date-type="received" iso-8601-date="2021-06-01"><day>01</day><month>06</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-06-01"><day>01</day><month>06</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, ABV-press</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, АБВ-пресс</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">ABV-press</copyright-holder><copyright-holder xml:lang="ru">АБВ-пресс</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://onco-surgery.info/jour/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://onco-surgery.info/jour/article/view/493">https://onco-surgery.info/jour/article/view/493</self-uri><abstract xml:lang="en"><p><bold>Objective:</bold> identification and description of clinical and morphological characteristics of rare forms of stromal cell tumors of the ovaries.<bold>Materials and methods.</bold> Retrospectively processed over 10 thousand case histories of patients with various ovarian tumors who were examined and treated at the N.N. Blokhin National Medical Research Center of Oncology, Ministry of Health of Russia and the National Center for Oncology and Hematology of the Ministry of Health of Kyrgyz Republic. In 473 patients were diagnosed stromal cell tumors, among them 3 cases of rare forms of tumors of the stroma of the sex cord were identified: stromal tumor from Sertoli cells, malignant luteoma of the ovary, lipid‑cell tumor from Leydig cells. All patients underwent a planned morphological study of surgical material and immune-histochemical study.<bold>Results.</bold> The detailed data of clinical observations of rare types of tumors, which was presented in the literature by isolated cases, are presented, the description of which in the literature is presented by isolated cases. The possible effect of clinical and morphological characteristics on the survival of patients with rare forms of stromal cell tumors of the ovaries were analyzed.<bold>Conclusions.</bold> The necrobiotic changes in the tumor, the degree of malignancy, and the stage of the disease are potential predictors of poor prognosis in patients with rare forms stromal cell tumors of the ovaries which require confirmation in a larger sample of patients.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования</bold> – выявить и описать клинико‑морфологические особенности редких форм стромально‑ клеточных опухолей яичников (СКОЯ).<bold>Материалы и методы.</bold> Представлена серия клинических наблюдений, выявленных при анализе 473 историй болезней пациенток с СКОЯ, которые проходили обследование и лечение в ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н.Н. Блохина» Министерства здравоохранения России и Национальном центре онкологии и гематологии Министерства здравоохранения Кыргызской Республики. Было выявлено 3 случая редких форм опухолей стромы полового тяжа: стромальная опухоль из клеток Сертоли, злокачественная лютеома яичника, липидно‑клеточная опухоль из клеток Лейдига. Всем пациенткам были проведены плановое морфологическое исследование операционного материала и иммуногистохимическое исследование.<bold>Результаты.</bold> Приведены подробные данные клинических наблюдений редких форм СКОЯ, описание которых в литературе представлено единичными случаями. Анализируется возможное влияние клинико‑морфологических особенностей опухолей на выживаемость пациенток с редкими формами СКОЯ.<bold>Выводы.</bold> Вероятными предикторами неблагоприятного прогноза у пациенток с редкими формами СКОЯ являются наличие некробиотических изменений в опухоли, степень злокачественности и стадия заболевания, что требует подтверждения на большей выборке больных.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ovarian stromal cell tumors</kwd><kwd>malignant ovarian luteoma</kwd><kwd>Leydig cell tumor</kwd><kwd>ovarian cancer</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>стромально‑клеточные опухоли яичников</kwd><kwd>злокачественная лютеома яичников</kwd><kwd>опухоль из клеток Лейдига</kwd><kwd>рак яичников</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. Козаченко В.П. Опухоли стромы полового тяжа. Онкогинекология 2015;(4): 41–7. 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