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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/probl13445</article-id><article-id custom-type="elpub" pub-id-type="custom">problendo-13445</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>Детская эндокринология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Pediatric Endocrinology</subject></subj-group></article-categories><title-group><article-title>Рак щитовидной железы у ребенка с синдромом Коудена</article-title><trans-title-group xml:lang="en"><trans-title>Thyroid cancer in a child with Cowden syndrome</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-7370-891X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бричева</surname><given-names>Э. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Bricheva</surname><given-names>E. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бричева Элла Байзетовна</p><p>117036, Москва, ул. Дмитрия Ульянова, д. 11</p></bio><bio xml:lang="en"><p>Ella B. Bricheva</p><p>11 Dm. Ulyanova street, 117036 Moscow</p></bio><email xlink:type="simple">e.bri4eva@yandex.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/0000-0001-6429-7198</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нагаева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagaeva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нагаева Елена Витальевна - д.м.н.</p><p>Москва</p></bio><bio xml:lang="en"><p>Elena V. Nagaeva - MD, PhD.</p><p>Moscow</p></bio><email xlink:type="simple">nagaeva.elena@endocrincentr.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/0000-0002-3734-6510</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бровин</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Brovin</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бровин Дмитрий Николаевич - к.м.н.</p><p>Москва</p></bio><bio xml:lang="en"><p>Dmitriy N. Brovin - MD, PhD.</p><p>Moscow</p></bio><email xlink:type="simple">brovin-dn@yandex.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/0000-0003-2122-2297</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондаренко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bondarenko</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бондаренко Екатерина Владимировна - к.м.н.</p><p>Москва</p></bio><bio xml:lang="en"><p>Ekaterina V. Bondarenko - MD, PhD.</p><p>Moscow</p></bio><email xlink:type="simple">bondarenko.ekaterina@endocrincentr.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/0000-0003-3785-0335</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шеремета</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sheremeta</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шеремета Марина Сергеевна - к.м.н.</p><p>Москва</p></bio><bio xml:lang="en"><p>Marina S. Sheremeta - MD, PhD.</p><p>Moscow</p></bio><email xlink:type="simple">marina888@yandex.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/0000-0001-9621-5732</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Безлепкина</surname><given-names>О. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Bezlepkina</surname><given-names>O. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Безлепкина Ольга Борисовна - профессор, д.м.н.</p><p>Москва</p></bio><bio xml:lang="en"><p>Olga B. Bezlepkina - professor, Doctor of Medicine.</p><p>Moscow</p></bio><email xlink:type="simple">olga.bezlepkina@endocrincentr.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Олина</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Olina</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олина Татьяна Сергеевна</p><p>Ижевск</p></bio><bio xml:lang="en"><p>Tatiana V. Kovalenko - DMD, PhD, Professor.</p><p>Izhevsk</p></bio><email xlink:type="simple">olina031184@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4765-1911</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваленко</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalenko</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Коваленко Татьяна Викторовна - д.м.н., профессор.</p><p>Ижевск</p></bio><bio xml:lang="en"><p>Tatiana S. Olina – MD.</p><p>Izhevsk</p></bio><email xlink:type="simple">tatkov18@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный медицинский исследовательский центр эндокринологии</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Endocrinology Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Республиканская детская клиническая больница</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Republican children’s clinical hospital</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Ижевская государственная медицинская академия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Izhevsk State Medical Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>04</day><month>11</month><year>2024</year></pub-date><volume>70</volume><issue>5</issue><fpage>84</fpage><lpage>90</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бричева Э.Б., Нагаева Е.В., Бровин Д.Н., Бондаренко Е.В., Шеремета М.С., Безлепкина О.Б., Олина Т.С., Коваленко Т.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Бричева Э.Б., Нагаева Е.В., Бровин Д.Н., Бондаренко Е.В., Шеремета М.С., Безлепкина О.Б., Олина Т.С., Коваленко Т.В.</copyright-holder><copyright-holder xml:lang="en">Bricheva E.B., Nagaeva E.V., Brovin D.N., Bondarenko E.V., Sheremeta M.S., Bezlepkina O.B., Olina T.S., Kovalenko T.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/13445">https://www.probl-endojournals.ru/jour/article/view/13445</self-uri><abstract><p>Болезнь Коудена (синдром Коудена) относится к PTEN-ассоциированным синдромам гамартомных опухолей. Возникает в связи с мутацией в гене гомолога фосфатазы и тензина, одной из основных функций которого является регуляция клеточного цикла. Наличие мутации в гене приводит к неконтролируемому росту клеток, а пациенты имеют пожизненный повышенный риск возникновения новообразований различной степени злокачественности. В статье представлен клинический случай синдрома Коудена с ранним дебютом — в 7 лет. Патогномоничным для синдрома Коудена является сочетание макроцефалии (SDS окружности головы &gt;2) с различными кожными проявлениями (трихилеммомы лица, акральный кератоз, папилломатозные папулы), наличие доброкачественных и/или злокачественных образований. Из злокачественных образований чаще всего встречаются рак молочной и щитовидной желез, колоректальный рак, почечно-клеточная карцинома и рак эндометрия. Доказано, что карцинома щитовидной железы имеет более ранний возраст манифестации и зачастую встречается уже в детском возрасте. Это определяет необходимость скрининга пациентов с доказанной мутацией в гене PTEN на наличие узловых образований с раннего возраста. При необходимости выполнения хирургического лечения предпочтительным остается тиреоидэктомия в связи с частыми рецидивами узлообразования, а также неопределенным потенциалом злокачественности ввиду малой изученности узлов щитовидной железы у пациентов с мутациями в гене PTEN.</p></abstract><trans-abstract xml:lang="en"><p>Cowden disease (Cowden syndrome) refers to PTEN-associated hamartoma tumor syndromes. It arises due to a mutation in the phosphatase and tensin homolog gene, one of the main functions of which is cell cycle regulation. The presence of a mutation in the gene leads to uncontrolled cell growth, and patients have a lifelong increased risk of neoplasms of various degrees of malignancy. This article presents a clinical case of Cowden syndrome with an early debut at the age of 7 years. The combination of macrocephaly (SDS of head circumference &gt;2) with various skin manifestations (facial trichilemmomas, acral keratosis, papillomatous papules) and the presence of benign and/or malignant neoplasms are pathognomonic for Cowden syndrome. Of the malignancies, breast and thyroid cancer, colorectal cancer, renal cell carcinoma, and endometrial cancer are the most common. Thyroid carcinoma has been shown to have an earlier age of manifestation and often occurs already in childhood. This determines the need to screen patients with a proven mutation in the PTEN gene for nodal neoplasms from an early age. If surgical treatment is necessary, thyroidectomy remains preferable due to the frequent recurrence of nodules, as well as the uncertain potential for malignancy due to the low study of thyroid nodules in patients with mutations in the PTEN gene.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>синдром Коудена</kwd><kwd>PTEN</kwd><kwd>синдром множественных гамартом</kwd><kwd>рак щитовидной железы</kwd><kwd>дети</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Cowden syndrome</kwd><kwd>PTEN</kwd><kwd>hamartoma tumor syndromes</kwd><kwd>thyroid cancer</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Минздрава РФ НИОКТР №123021000039-3</funding-statement></funding-group></article-meta></front><back><ref-list><ref id="cit1"><element-citation><name><surname>Ngeow</surname> <given-names>Joanne</given-names> </name> <name><surname>Eng</surname> <given-names>Charis</given-names> </name> <article-title>PTEN in Hereditary and Sporadic Cancer</article-title> <source>Cold Spring Harbor Perspectives in Medicine</source> <year>2019</year> <month>10</month> <fpage>a036087</fpage> <volume>10</volume> <issue>4</issue> <object-id pub-id-type="doi" specific-use="metadata">10.1101/cshperspect.a036087</object-id></element-citation></ref><ref id="cit2"><element-citation><name><surname>Blumenthal</surname> <given-names>Gideon M</given-names> </name> <name><surname>Dennis</surname> <given-names>Phillip A</given-names> </name> <article-title>PTEN hamartoma tumor syndromes</article-title> <source>European Journal of Human Genetics</source> <year>2008</year> <month>09</month> <fpage>1289</fpage> <lpage>1300</lpage> <volume>16</volume> <issue>11</issue> <object-id pub-id-type="doi" specific-use="metadata">10.1038/ejhg.2008.162</object-id></element-citation></ref><ref id="cit3"><element-citation><name><surname>Yehia</surname> <given-names>Lamis</given-names> </name> <name><surname>Ni</surname> <given-names>Ying</given-names> </name> <name><surname>Feng</surname> <given-names>Fang</given-names> </name> <name><surname>Seyfi</surname> <given-names>Marilyn</given-names> </name> <name><surname>Sadler</surname> <given-names>Tammy</given-names> </name> <name><surname>Frazier</surname> <given-names>Thomas W.</given-names> </name> <name><surname>Eng</surname> <given-names>Charis</given-names> </name> <article-title>Distinct Alterations in Tricarboxylic Acid Cycle Metabolites Associate with Cancer and Autism Phenotypes in Cowden Syndrome and Bannayan-Riley-Ruvalcaba Syndrome</article-title> <source>The American Journal of Human Genetics</source> <year>2019</year> <month>09</month> <fpage>813</fpage> <lpage>821</lpage> <volume>105</volume> <issue>4</issue> <object-id pub-id-type="doi" specific-use="metadata">10.1016/j.ajhg.2019.09.004</object-id></element-citation></ref><ref id="cit4"><element-citation><name><surname>Ngeow</surname> <given-names>Joanne</given-names> </name> <name><surname>Eng</surname> <given-names>Charis</given-names> </name> <article-title>PTEN hamartoma tumor syndrome: Clinical risk assessment and management protocol</article-title> <source>Methods</source> <year>2014</year> <month>10</month> <fpage>11</fpage> <lpage>19</lpage> <volume>77-78</volume> <object-id pub-id-type="doi" specific-use="metadata">10.1016/j.ymeth.2014.10.011</object-id></element-citation></ref><ref id="cit5"><mixed-citation publication-type="commun" publication-format="web"><name><surname>Garofola</surname> <given-names>C</given-names></name>, <name><surname>Jamal</surname> <given-names>Z</given-names></name>, <name><surname>Gross</surname> <given-names>GP.</given-names></name> <article-title>Cowden Disease.</article-title> [Updated 2023 Mar 27]. 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