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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">Morphology</journal-id><journal-title-group><journal-title xml:lang="en">Morphology</journal-title><trans-title-group xml:lang="ru"><trans-title>Морфология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1026-3543</issn><issn publication-format="electronic">2949-2556</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">364510</article-id><article-id pub-id-type="doi">10.17816/morph.364510</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original Study Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</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">Prognostic significance of the immunohistochemical status of the endometrium as markers of therapy for endometrial hyperplasia</article-title><trans-title-group xml:lang="ru"><trans-title>Прогностическая значимость параметров иммуногистохимического статуса эндометрия в качестве маркёров терапии гиперплазии эндометрия</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2052-914X</contrib-id><contrib-id contrib-id-type="spin">2086-7513</contrib-id><name-alternatives><name xml:lang="en"><surname>Mikhaleva</surname><given-names>Lyudmila M.</given-names></name><name xml:lang="ru"><surname>Михалёва</surname><given-names>Людмила Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor, Corresponding Member of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, член-корреспондент РАН</p></bio><email>mikhalevalm@yandex.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/0000-0003-2804-2870</contrib-id><contrib-id contrib-id-type="spin">1391-4794</contrib-id><name-alternatives><name xml:lang="en"><surname>Kappusheva</surname><given-names>Laura M.</given-names></name><name xml:lang="ru"><surname>Каппушева</surname><given-names>Лаура Магомедовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><email>laura60@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0161-005X</contrib-id><contrib-id contrib-id-type="spin">5414-2026</contrib-id><name-alternatives><name xml:lang="en"><surname>Golukhov</surname><given-names>Georgiy N.</given-names></name><name xml:lang="ru"><surname>Голухов</surname><given-names>Георгий Натанович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor, Corresponding Member of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, член-корреспондент РАН</p></bio><email>info@gkb-31.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3773-6041</contrib-id><name-alternatives><name xml:lang="en"><surname>Shcherbatyuk</surname><given-names>Kristina V.</given-names></name><name xml:lang="ru"><surname>Щербатюк</surname><given-names>Кристина Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>kv_shcherbatyuk@mail.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3597-2681</contrib-id><contrib-id contrib-id-type="spin">5809-1930</contrib-id><name-alternatives><name xml:lang="en"><surname>Gutorova</surname><given-names>Dina S.</given-names></name><name xml:lang="ru"><surname>Гуторова</surname><given-names>Дина Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>gutorova-d@rambler.ru</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2601-8674</contrib-id><name-alternatives><name xml:lang="en"><surname>Ovchinnikova</surname><given-names>Anstasiya V.</given-names></name><name xml:lang="ru"><surname>Овчинникова</surname><given-names>Анастасия Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>к.м.н</p></bio><email>a.ovchinnikova92@mail.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Baisova</surname><given-names>Bella I.</given-names></name><name xml:lang="ru"><surname>Баисова</surname><given-names>Белла Исаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.), Associate Professor</p></bio><bio xml:lang="ru"><p>к.м.н., доцент</p></bio><email>agpf.gms@gmail.com</email><xref ref-type="aff" rid="aff4"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6999-4654</contrib-id><contrib-id contrib-id-type="spin">8006-4445</contrib-id><name-alternatives><name xml:lang="en"><surname>Breusenko</surname><given-names>Valentina G.</given-names></name><name xml:lang="ru"><surname>Бреусенко</surname><given-names>Валентина Григорьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><email>Breusenkovg@yandex.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Avtsyn Research Institute of Human Morphology of Petrovsky National Research Centre of Surgery</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский институт морфологии человека имени академика А.П. Авцына Российского научного центра хирургии имени академика Б.В. Петровского</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">City Clinical Hospital N 31 of the Moscow Healthcare Department</institution></aff><aff><institution xml:lang="ru">Городская клиническая больница имени академика Г. М. Савельевой № 31 Департамента здравоохранения города Москвы</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian Medical Academy of Continuous Professional Education of the Ministry of Healthcare of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Российская медицинская академия непрерывного профессионального образования</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">N.I. Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-06-07" publication-format="electronic"><day>07</day><month>06</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-07-15" publication-format="electronic"><day>15</day><month>07</month><year>2022</year></pub-date><volume>160</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>139</fpage><lpage>150</lpage><history><date date-type="received" iso-8601-date="2023-04-29"><day>29</day><month>04</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-05-18"><day>18</day><month>05</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Mikhaleva L.M., Kappusheva L.M., Golukhov G.N., Shcherbatyuk K.V., Gutorova D.S., Ovchinnikova A.V., Baisova B.I., Breusenko V.G</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Михалёва Л.М., Каппушева Л.М., Голухов Г.Н., Щербатюк К.В., Гуторова Д.С., Овчинникова А.В., Баисова Б.И., Бреусенко В.Г.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Mikhaleva L.M., Kappusheva L.M., Golukhov G.N., Shcherbatyuk K.V., Gutorova D.S., Ovchinnikova A.V., Baisova B.I., Breusenko V.G</copyright-holder><copyright-holder xml:lang="ru">Михалёва Л.М., Каппушева Л.М., Голухов Г.Н., Щербатюк К.В., Гуторова Д.С., Овчинникова А.В., Баисова Б.И., Бреусенко В.Г.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2025-07-15"/><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://j-morphology.com/1026-3543/article/view/364510">https://j-morphology.com/1026-3543/article/view/364510</self-uri><abstract xml:lang="en"><p><bold><italic>BACKGROUND:</italic></bold> In patients of reproductive age with endometrial hyperplasia without atypia, hormonal treatment, and prognosis of response remain relevant issues.</p> <p><bold><italic>AIM:</italic></bold> To increase the effectiveness of hormonal therapy for endometrial hyperplasia in patients of reproductive age with abnormal uterine bleeding, considering the receptivity, and proliferative activity of the endometrium.</p> <p><bold><italic>MATERIALS AND METHODS: </italic></bold>A total of 179 patients of reproductive age with abnormal uterine bleeding and endometrial hyperplasia were examined. After the removal of the endometrial tissue, hormonal therapy was performed for 6 months: 101 patients received dydrogesterone 20 mg/day, and 78 patients received norethisterone acetate 10 mg/day. The expression levels of estrogen receptor-α (Erα), progesterone receptor (PR), and Ki67 in the endometrial tissue were determined by immunohistochemistry at baseline and 3 months after the treatment. The comparison group consisted of 18 women without gynecological pathology. Variation statistics methods were used to process the data, the differences between the indicators groups of patients were considered significant at <italic>p</italic> &lt;0.05.</p> <p><bold><italic>RESULTS:</italic></bold> Before treatment, the expression levels of ERα, PR in both compartments, and Ki-67 in the glands were lower (<italic>p </italic>&lt; 0.05) in the endometrial hyperplasia group than in the control group. Remission was achieved in 77 (76.24%) (dydrogesterone) and 62 (79.49%) (norethisterone acetate) patients. Initially, the expression level of ERα in the glands and stroma of endometrial hyperplasia was lower (<italic>p </italic>&lt;0.05) than that in the comparison group; the resistant group had a lower (<italic>p</italic> &lt;0.05) response to treatment. The expression of PR in the resistant group was lower (<italic>p</italic> &lt;0.05) than that in the comparison group and remission group. The expression level of Ki67 in the response group was lower than that in the comparison group (<italic>p</italic> &lt;0.05), and the expression in the stroma was lower than that in the resistant group (<italic>p</italic> &lt;0.05). After treatment in both compartments, the expression levels of ERα and PR were lower in the resistant group than in the comparison group and response group (<italic>p</italic> &lt;0.05). A logistic regression equation was obtained with a set of predictors: ERα (glands) + PR (glands and stroma) + Ki-67 (stroma) with a potential response to therapy of 93%.</p> <p><bold><italic>CONCLUSIONS:</italic></bold> The specified predictive model is promising. The therapy was effective in 93% of cases.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> У пациенток репродуктивного возраста с гиперплазией эндометрия без атипии актуален вопрос выбора гормонального лечения и прогнозирования ответа на него.</p> <p><bold>Цель исследования</bold> — повысить эффективность гормональной терапии гиперплазии эндометрия у пациенток репродуктивного возраста с аномальным маточным кровотечением с учётом данных рецептивности и пролиферативной активности эндометрия.</p> <p><bold>Материалы и методы.</bold> Обследованы 179 пациенток репродуктивного возраста с аномальным маточным кровотечением и гиперплазией эндометрия (контрольная группа). После удаления ткани гиперплазии эндометрия проведена гормональная терапия в течение 6 мес: 101 пациентке назначали дидрогестерон в дозе 20 мг/сут, 78 пациенткам — норэтистерона ацетат в дозе 10 мг/сут. Методом иммуногистохимии определена экспрессия ERα, PR, Ki-67 в ткани эндометрия исходно и через 3 мес после окончания лечения. Группу сравнения составили 18 женщин без гинекологической патологии. Для обработки данных применяли методики вариационной статистики, различия между показателями групп пациентов считали значимыми при <italic>p </italic>&lt;0,05.</p> <p><bold>Результаты.</bold> До лечения экспрессия ERα, PR обнаружена в обоих компартментах, Ki-67 — в железах ниже у пациенток с гиперплазией эндометрия по сравнению с женщинами группы сравнения. Ремиссия достигнута у 77 женщин (76,2%) в группе дидрогестерона и у 62 пациенток (79,5%) — в группе норэтистерона ацетата. Исходно ERα в железах и строме гиперплазии эндометрия ниже, чем в группе сравнения; у резистентных больных — ниже, чем у ответивших на лечение. PR у резистентных больных ниже, чем в группе сравнения, и у женщин, достигших ремиссии. Ki-67 в железах у ответивших на лечение пациенток ниже, чем в группе сравнения, в стромальном компоненте — ниже, чем у резистентных больных. После лечения ERα и PR в обоих компартментах у резистентных больных ниже показателей групп сравнения и ответивших на лечение. Получено уравнение логистической регрессии с совокупностью предикторов: ERα (железы) + PR (железы и строма) + Ki-67 (строма) с потенциальным ответом на терапию 93%.</p> <p><bold>Заключение.</bold> Использование указанной прогностической модели является перспективным. Эффективность терапии будет наблюдаться в 93% случаев.</p></trans-abstract><kwd-group xml:lang="en"><kwd>endometrial hyperplasia</kwd><kwd>abnormal uterine bleeding</kwd><kwd>immunohistochemistry</kwd><kwd>estrogen receptors</kwd><kwd>progesterone receptors</kwd><kwd>dydrogesterone</kwd><kwd>norethisterone acetate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>гиперплазия эндометрия</kwd><kwd>рецепторы к эстрогену</kwd><kwd>рецепторы к прогестерону</kwd><kwd>дидрогестерон</kwd><kwd>норэтистерона ацетат</kwd><kwd>аномальное маточное кровотечение</kwd><kwd>иммуногистохимия</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">Cree IA, White VA, Indave BI, Lokuhetty D. Revising the WHO classification: female genital tract tumours. 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