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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">lvrach</journal-id><journal-title-group><journal-title xml:lang="ru">Лечащий Врач</journal-title><trans-title-group xml:lang="en"><trans-title>Lechaschi Vrach</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1560-5175</issn><issn pub-type="epub">2687-1181</issn><publisher><publisher-name></publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.51793/OS.2025.28.9.008</article-id><article-id custom-type="elpub" pub-id-type="custom">lvrach-1466</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>АКТУАЛЬНАЯ ТЕМА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TOPICAL THEME</subject></subj-group></article-categories><title-group><article-title>Гастроэнтеропанкреатические нейроэндокринные опухоли</article-title><trans-title-group xml:lang="en"><trans-title>Gastroenteropancreatic neuroendocrine tumors</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8910-3767</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смирнов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smirnov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Смирнов Владимир Васильевич, д.м.н., профессор кафедры педиатрии лечебного факультета</p><p>117513, Москва, ул. Островитянова, 1</p></bio><bio xml:lang="en"><p>Vladimir V. Smirnov, Dr. of Sci. (Med.), Professor of Department of Pediatrics of the Faculty of Medicine</p><p>1 Ostrovityanova str., Moscow, 117513</p></bio><email xlink:type="simple">smirnov-web@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/0000-0003-2040-0899</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гурова</surname><given-names>И. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurova</surname><given-names>I. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гурова Ирина Дмитриевна, клинический ординатор</p><p>119991, Москва, ул. Трубецкая, 8/2</p></bio><bio xml:lang="en"><p>Irina D. Gurova, medical resident</p><p>8/2 Trubetskaya str., Moscow, 119991</p></bio><email xlink:type="simple">irina.gurova1004@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский национальный исследовательский медицинский университет имени Н. И. Пирогова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>N. I. Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Первый Московский государственный медицинский университет имени И. М. Сеченова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>I. M. Sechenov First Moscow 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>24</day><month>09</month><year>2025</year></pub-date><volume>0</volume><issue>9</issue><fpage>51</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Смирнов В.В., Гурова И.Д., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Смирнов В.В., Гурова И.Д.</copyright-holder><copyright-holder xml:lang="en">Smirnov V.V., Gurova I.D.</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://journal.lvrach.ru/jour/article/view/1466">https://journal.lvrach.ru/jour/article/view/1466</self-uri><abstract><sec><title>Введение</title><p>Введение. Нейроэндокринные опухоли – гетерогенная группа различных по локализации, характеру роста и клинической симптоматике новообразований, происходящих из нейроэндокринных клеток. Более половины нейроэндокринных опухолей возникают из эндокринной системы желудочно-кишечного тракта и поджелудочной железы. Данные опухоли являются относительно редкими новообразованиями, однако в последние годы частота их выявляемости возросла. Широкая распространенность клеток диффузной нейроэндокринной системы в организме обусловливает разнообразие локализации опухолей. Нейроэндокринные опухоли желудочно-кишечного тракта состоят из различных клеток: G, ECL, S u др. Патогенез клинических проявлений функционально активных нейроэндокринных опухолей обусловлен действием секретируемых ими биоаминов и гормонов. Разделение нейроэндокринных новообразований на группы высоко- и низкодифференцированных нейроэндокринных опухолей определяется с помощью выраженного в процентах индекса пролиферативной активности Кі-67. По особенностям происхождения и клинической симптоматике выделяют карциноидные опухоли без клинической симптоматики и с клинической картиной карциноидного синдрома. Для последнего типичны приливы, обусловленные выработкой гистамина и брадикинина, обладающих сосудорасширяющим эффектом. По функциональной активности гастроэнтеропанкреатические опухоли, имеющие наибольшее клиническое значение, классифицируются на карциноид, инсулиному, соматостатиному, глюкагоному, гастриному, ВИПому и АКТГ-эктопированный синдром. Нейроэндокринные опухоли входят в состав наследственных синдромов и заболеваний, таких как синдромы множественной эндокринной неоплазии 1 и 2, болезнь Гиппеля – Линдау, синдром Мак-Кьюна – Олбрайта – Брайцева, нейрофиброматоз 1-го типа, Карни-комплекс. Часть нейроэндокринных опухолей обладает длительным латентным течением, в связи с чем возникают диагностические трудности.</p></sec><sec><title>Заключение</title><p>Заключение. Лечение нейроэндокринных опухолей желудочно-кишечного тракта и поджелудочной железы требует комплексного подхода для регресса клинической симптоматики, нормализации продукции гормонов, удаления опухоли и ее метастазов, улучшения качества жизни и увеличения выживаемости.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Neuroendocrine tumors represent a heterogeneous group of neoplasms that vary in localization, growth characteristics, and clinical symptoms, originating from neuroendocrine cells. More than half of neuroendocrine tumors arise from the endocrine system of the gastrointestinal tract and the pancreas. These tumors are relatively rare neoplasms; however, in recent years, the incidence of neuroendocrine tumors has increased. The widespread presence of cells from the diffuse neuroendocrine system in the body accounts for the variety of tumor locations. Gastrointestinal tract neuroendocrine tumors consist of different cell types: G, ECL, S, and others. The pathogenesis of the clinical manifestations of functionally active neuroendocrine tumors is determined by the action of the bioamines and hormonesthey secrete. The classification of neuroendocrine neoplasms into groups of highly and poorly differentiated neuroendocrine tumors is determined using the Ki-67 index. Based on their origin and clinical symptoms, carcinoid tumors are distinguished into asymptomatic tumors and those presenting with the clinical picture of carcinoid syndrome. The clinical picture of this syndrome is characterized by "flushing" caused by the production of histamine and bradykinin, which have a vasodilatory effect. According to their functional activity, gastroenteropancreatic tumors, which have the most clinical significance, are classified into carcinoid, insulinoma, somatostatinoma, glucagonoma, gastrinoma, VIPoma, and ACTH ectopic syndrome. Neuroendocrine tumors are included in hereditary syndromes and diseases, such as multiple endocrine neoplasia syndromes (MEN-1, MEN-2), von Hippe – Lindau disease, McCune – Albright syndrome, neurofibromatosis type 1, and Carney complex. Some neuroendocrine tumors have a long latent course, leading to diagnostic challenges.</p></sec><sec><title>Conclusion</title><p>Conclusion. Treatment of gastrointestinal tract and pancreatic neuroendocrine tumors requires a comprehensive approach aimed at regression of clinical symptoms, normalization of hormone production, removal of the tumor and its metastases, improving quality of life, and increasing survival rates.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>нейроэндокринные опухоли</kwd><kwd>гастроэнтеропанкреатические нейроэндокринные опухоли</kwd><kwd>APUD-система</kwd><kwd>карциноидный синдром</kwd><kwd>инсулинома</kwd><kwd>гастринома</kwd><kwd>глюкагонома</kwd><kwd>ВИПома</kwd><kwd>соматостатинома</kwd><kwd>МЭН-1</kwd><kwd>МЭН-2</kwd><kwd>болезнь Гиппеля – Линдау</kwd><kwd>синдром Мак-Кьюна – Олбрайта – Брайцева</kwd><kwd>нейрофиброматоз 1-го типа</kwd><kwd>Карни-комплекс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>neuroendocrine tumors</kwd><kwd>gastroenteropancreatic neuroendocrine tumors</kwd><kwd>APUD system</kwd><kwd>carcinoid syndrome</kwd><kwd>insulinoma</kwd><kwd>gastrinoma</kwd><kwd>glucagonoma</kwd><kwd>VIPoma</kwd><kwd>somatostatinoma</kwd><kwd>MEN-1</kwd><kwd>MEN-2</kwd><kwd>von Hippel – Lindau disease</kwd><kwd>McCune – Albright syndrome</kwd><kwd>neurofibromatosis type 1</kwd><kwd>Carney complex</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">Pearse A. 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