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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">Journal of Experimental and Clinical Surgery</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Experimental and Clinical Surgery</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник экспериментальной и клинической хирургии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2070-478X</issn><issn publication-format="electronic">2409-143X</issn><publisher><publisher-name xml:lang="en">Voronezh State Medical University named after N.N. Burdenko</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">1848</article-id><article-id pub-id-type="doi">10.18499/2070-478X-2025-18-1-27-34</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Cases from practice</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Случаи из практики (архивный)</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">Megaduodenum in аdults</article-title><trans-title-group xml:lang="ru"><trans-title>Мегадуоденум у взрослых</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Markov</surname><given-names>Pavel V.</given-names></name><name xml:lang="ru"><surname>Марков</surname><given-names>Павел Викторович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>М.D., Head of the Department of Abdominal Surgery</p></bio><bio xml:lang="ru"><p>д.м.н., заведующий отделением абдоминальной хирургии</p></bio><email>markov@ixv.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Burmistrov</surname><given-names>Alexander I.</given-names></name><name xml:lang="ru"><surname>Бурмистров</surname><given-names>Александр Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>сlinical graduate student of the Department of Abdominal Surgery</p></bio><bio xml:lang="ru"><p>клинический аспирант отделения абдоминальной хирургии</p></bio><email>aibur3619@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Arutyunov</surname><given-names>Ovanes R.</given-names></name><name xml:lang="ru"><surname>Арутюнов</surname><given-names>Ованес Робертович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Surgeon of the Department of Abdominal Surgery</p></bio><bio xml:lang="ru"><p>врач-хирург отделения абдоминальной хирургии</p></bio><email>Arutyunov_Ovanes@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Struchkov</surname><given-names>Vladimir Yu.</given-names></name><name xml:lang="ru"><surname>Стручков</surname><given-names>Владимир Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Ph.D., surgeon of the Department of Abdominal Surgery</p></bio><bio xml:lang="ru"><p>к.м.н., врач-хирург отделения абдоминальной хирургии</p></bio><email>doc.struchkov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A.V. Vishnevsky National Medical Research Center</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр хирургии имени А.В. Вишневского</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-03-14" publication-format="electronic"><day>14</day><month>03</month><year>2025</year></pub-date><volume>18</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>27</fpage><lpage>34</lpage><history><date date-type="received" iso-8601-date="2024-11-27"><day>27</day><month>11</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2025-01-02"><day>02</day><month>01</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Voronezh N.N. Burdenko State Medical University</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, ФГБОУ ВО ВГМУ им. Н.Н. Бурденко Минздрава России</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Voronezh N.N. Burdenko State Medical University</copyright-holder><copyright-holder xml:lang="ru">ФГБОУ ВО ВГМУ им. Н.Н. Бурденко Минздрава России</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2028-04-14"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://vestnik-surgery.com/journal/about/editorialPolicies</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnik-surgery.com/journal/article/view/1848">https://vestnik-surgery.com/journal/article/view/1848</self-uri><abstract xml:lang="en"><p>This paper describes a clinical case of a patient with megaduodenum; the condition was detected in adulthood, it developed due to congenital duodenal malformation.</p> <p>A 43-year-old female patient visited A.V. Vishnevsky National Medical Research Center with complaints of nausea and vomiting after eating, which brought her relief. These signs occasionally bothered the patient throughout her life. Based on the examination performed, the patient was diagnosed with a giant duodenal diverticulum and surgical intervention (laparoscopic diverticulectomy) was planned.</p> <p>The obtained intraoperative data evidenced a presenting congenital megaduodenum associated with the duodenum bulb critical stenosis. During the surgical intervention, a duodenotomy was performed, which implied a step-by-step excision of the mucosal-submucosal fold of the duodenal wall with scar tissue at its base with duodenoplasty according to the original technique.</p> <p>The article describes the difficulties of diagnosing the condition and the original surgical treatment option. A brief review of the literature comparing clinical outcomes of patients with a similar nosology is provided.</p></abstract><trans-abstract xml:lang="ru"><p>Представлено клиническое наблюдение мегадуоденума, диагностированного во взрослом возрасте и развившегося на фоне врожденной аномалии развития двенадцатиперстной кишки.</p> <p>Пациентка 43 лет, обратилась в ФГБУ «НМИЦ хирургии им. А.В. Вишневского» с жалобами на тошноту, рвоту после приема пищи, приносящую облегчение. Указанные жалобы периодически беспокоили пациентку в течение всей жизни. На основании выполненных обследований пациентке был выставлен диагноз гигантского дивертикула двенадцатиперстной кишки (ДПК) и запланировано оперативное вмешательство в объеме лапароскопической дивертикулэктомии. Полученные интраоперационные данные свидетельствовали о наличии врожденного мегадуоденума на фоне критического стеноза выходного отдела луковицы ДПК. В ходе операции была выполнена дуоденотомия, поэтапное иссечение слизисто-подслизистой складки стенки ДПК с рубцовыми тканями в ее основании с дуоденопластикой по оригинальной методике.</p> <p>В статье описаны сложности диагностики данного заболевания и оригинальный метод хирургического лечения. Проведен краткий обзор литературы с приведением результатов лечения пациентов с подобной нозологией.</p></trans-abstract><kwd-group xml:lang="en"><kwd>clinical case of megaduodenum</kwd><kwd>duodenal obstruction</kwd><kwd>duodenal atresia</kwd><kwd>duodenoplasty</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>клинический случай мегадуоденума</kwd><kwd>дуоденальная непроходимость</kwd><kwd>атрезия двенадцатиперстной кишки</kwd><kwd>дуоденопластика</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">Amanova MA, Razumovsky AYu, Smirnov AN, Kholostova VV, Kulikova NV, Khavkin AI Megaduodenum in children in the outcom of correction of duadenal atreesia: literature review and own experience. Experimental and Clinical Gastroenterology. 2022;197(1): 69–79. DOI: 10.31146/1682-8658-ecg-197-1-69-79. 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