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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">problendo</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Эндокринологии</journal-title><trans-title-group xml:lang="en"><trans-title>Problems of Endocrinology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0375-9660</issn><issn pub-type="epub">2308-1430</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/probl13298</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-13298</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Клиническая эндокринология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Clinical endocrinology</subject></subj-group></article-categories><title-group><article-title>Клиническое наблюдение пациента с сочетанной эндокринной патологией: врожденной дисфункцией коры надпочечников и синдромом Клайнфельтера</article-title><trans-title-group xml:lang="en"><trans-title>Combination of Klinefelter syndrome and the classic form of congenital dysfunction of the adrenal cortex: clinical observation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4874-7835</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Волкова</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Volkova</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Волкова Наталья Ивановна, д.м.н., профессор </p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Natalia I. Volkova, MD, Professor</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">n_i_volkova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8690-681X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Давиденко</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Davidenko</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Давиденко Илья Юрьевич, к.м.н., доцент </p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Ilya Yu. Davidenko, PhD, Associate Professor</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">davidenko.iu@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-7555-1144</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ставицкая</surname><given-names>Д. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Stavitskaya</surname><given-names>D. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ставицкая Дарья Петровна </p><p>344091, г. Ростов-на-Дону, пр. Коммунистический, д. 39</p></bio><bio xml:lang="en"><p>Darya P. Stavitskaya</p><p>344091, Rostov-on-Don, ave. Kommunisticheskiy d. 39</p></bio><email xlink:type="simple">d.zaharyuta@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5949-686X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудинова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudinova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кудинова Елизавета Владимировна </p><p>Ростов-на-Дону</p></bio><bio xml:lang="en"><p>Elizaveta V. Kudinova</p><p>Rostov-on-Don</p></bio><email xlink:type="simple">liza14.2014@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ростовский государственный медицинский университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Rostov State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>11</day><month>03</month><year>2024</year></pub-date><volume>71</volume><issue>1</issue><fpage>27</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Волкова Н.И., Давиденко И.Ю., Ставицкая Д.П., Кудинова Е.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Волкова Н.И., Давиденко И.Ю., Ставицкая Д.П., Кудинова Е.В.</copyright-holder><copyright-holder xml:lang="en">Volkova N.I., Davidenko I.Y., Stavitskaya D.P., Kudinova E.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.probl-endojournals.ru/jour/article/view/13298">https://www.probl-endojournals.ru/jour/article/view/13298</self-uri><abstract><p>Врожденная дисфункция коры надпочечников (ВДКН) — это группа аутосомно-рецессивных заболеваний, характеризующихся дефектом одного из ферментов или транспортных белков, принимающих участие в синтезе кортизола в коре надпочечников [<xref ref-type="bibr" rid="cit1">1</xref>]. Нарушение синтеза кортизола вследствие недостаточности фермента 21-гидроксилазы ведет к тому, что по механизму отрицательной обратной связи избыток АКТГ стимулирует корковый слой надпочечников, что вызывает ее гиперплазию. Но вместо кортизола надпочечники производят избыток предшественников половых гормонов, для синтеза которых не требуется 21-гидроксилирование. После секреции эти гормоны метаболизируются в активные андрогены — тестостерон и дигидротестостерон, и в меньшей степени — в эстрогены: эстрон и эстрадиол [<xref ref-type="bibr" rid="cit2">2</xref>]. При вирильной форме отмечается только дефицит кортизола, что при отсутствии лечения проявляется мышечной слабостью, утомляемостью, потемнением кожных покровов на фоне симптомов гиперандрогении [1, 2]. Синдром Клайнфельтера (СК) — одно из наиболее частых хромосомных заболеваний, приводящее к развитию первичного гипогонадизма. Основное проявление синдрома Клайнфельтера — гиалиноз семявыносящих протоков и — как следствие — развитие инфертильности и гипогонадизма. Фенотипическая изменчивость, и особенно умеренные клинические проявления, часто приводят к задержке диагностики или недиагностированию [<xref ref-type="bibr" rid="cit3">3</xref>]. Было подсчитано, что 50–75% мужчин с синдромом Клайнфельтера никогда не получают диагноз [<xref ref-type="bibr" rid="cit4">4</xref>].</p><p>В данной статье представлено описание редкого клинического наблюдения: сочетание вирильной формы врожденной дисфункции коры надпочечников и синдрома Клайнфельтера, описаны особенности клинической картины заболеваний в период раннего детства, пубертата, среднего возраста.</p><p>Проявление двух этих заболеваний, при одном из которых наблюдается гиперандрогения, а при другом — гипогонадизм, у одного пациента обуславливает трудности диагностики и подбора терапии. Ошибки, которые могут быть допущены на различных этапах диагностики и лечения заболеваний у данного пациента, ведут к неблагоприятным последствиям и сказываются на качестве жизни больного. Представленный клинический случай демонстрирует сложности диагностики и необходимость повышения информированности врачей о данной клинической проблеме.</p></abstract><trans-abstract xml:lang="en"><p>Congenital adrenal hyperplasia (CAH) is a defect in one of the enzymes or transport proteins involved in the synthesis of cortisol in the adrenal cortex. Virile form of CAH characterized by cortisol deficiency and hyperandrogenism. Klinefelter syndrome is one of the most frequent chromosomal diseases leading to the development of primary hypogonadism. The manifestation of these two diseases could cause difficulties in diagnosis and medical treatment that lead to adverse consequences and affect the quality of life.</p><p>A 43-years-old patient consulted a physician complaining about the lack of erections for 4 years, breast enlargement. At the age of 3 years based on experienced growth of pubic hair, decreased level of 17-ketosteroids in the urine and genetic analysis diagnosis of CAH, virile form was suspected. Prednisone 5 mg daily was prescribed. At the age of 5, based on phenotypic features and karyotyping Klinefelter Syndrome (XXY) was diagnosed. At the age of 13, stimulating hormonal chorionic gonadotropin drug with only one course of 10 injections was prescribed. At the age of 18, the patient independently canceled the use of prednisone. Further, he did not receive medication therapy for CAH and Klinefelter syndrome. At the age of 42, adrenal CT revealed formation of the left adrenal gland. According to the results of the hormonal activity examination, high levels of aldosterone and renin were detected. A diagnosis of left adrenal aldosteroma was made and a left-sided adrenalectomy was performed. Histological examination diagnosis of aldosteroma did not confirmed. On physical examination, BMI 30 kg/m2, genoid type of obesity, right testicle isn`t palpated, left testicle is dense, reduced in size. Small penis size. Decreased level of total testosterone, normal level of SHBG, LH and FSH was revealed. Ultrasound of the scrotum organs revealed decrease in the size of the testicles and appendages, a volumetric formation of the right testicle. Thus, diagnosis of CAH, virile form and Klinefelter syndrome, primary hypogonadism, right-sided cryptorchidism was confirmed. Hydrocortisone 30 mg daily was prescribed. Hormone replacement therapy with testosterone preparations was not prescribed until surgical treatment of neoplasm of the right testicle will be performed. On the example of this clinical case, we have demonstrate a combination of two endocrine pathologies and serious mistakes were made in the management of this patient. The management of such patients requires a multidisciplinary approach, which will avoid mistakes and improve the prognosis and quality of life of these patients.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>врожденная дисфункция коры надпочечников</kwd><kwd>синдром Клайнфельтера</kwd><kwd>гиперандрогения</kwd><kwd>тестостерон</kwd></kwd-group><kwd-group xml:lang="en"><kwd>congenital adrenal hyperplasia</kwd><kwd>Klinefelter syndrome</kwd><kwd>hyperandrogenism</kwd><kwd>testosteron</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Российская ассоциация эндокринологов, российское общество акушеров-гинекологов, Федеральные клинические рекомендации по врожденной дисфункции коры надпочечников (адреногенитальный синдром) - 2021.</mixed-citation><mixed-citation xml:lang="en">Rossijskaya associaciya endokrinologov, rossijskoe obshchestvo akusherov-ginekologov, Federal'nye klinicheskie rekomendacii po vrozhdennoj disfunkcii kory nadpochechnikov (adrenogenital'nyj sindrom) - 2021.]</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">White PC, Speiser PW. 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