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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">Kazan medical journal</journal-id><journal-title-group><journal-title xml:lang="en">Kazan medical journal</journal-title><trans-title-group xml:lang="ru"><trans-title>Казанский медицинский журнал</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0368-4814</issn><issn publication-format="electronic">2587-9359</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">49992</article-id><article-id pub-id-type="doi">10.17816/KMJ2021-234</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Clinical observations</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические наблюдения</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">Clinical case of intussusception of the jejunum into gastroenteroanastomosis after gastric ­resection</article-title><trans-title-group xml:lang="ru"><trans-title>Клинический случай инвагинации тощей кишки в гастроэнтероанастомоз после резекции желудка</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Akhmetzyanov</surname><given-names>F Sh</given-names></name><name xml:lang="ru"><surname>Ахметзянов</surname><given-names>Фоат Шайхутдинович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>drvasiliy21@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Egorov</surname><given-names>V I</given-names></name><name xml:lang="ru"><surname>Егоров</surname><given-names>Василий Иванович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>drvasiliy21@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Daminov</surname><given-names>A N</given-names></name><name xml:lang="ru"><surname>Даминов</surname><given-names>Альберт Наилевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>drvasiliy21@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sirazitdinov</surname><given-names>N D</given-names></name><name xml:lang="ru"><surname>Сиразитдинов</surname><given-names>Наиль Дамирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>drvasiliy21@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan State Medical University</institution></aff><aff><institution xml:lang="ru">Казанский государственный медицинский университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Tatarstan Regional Clinical Cancer Center</institution></aff><aff><institution xml:lang="ru">Республиканский клинический онкологический диспансер</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-04-06" publication-format="electronic"><day>06</day><month>04</month><year>2021</year></pub-date><volume>102</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>234</fpage><lpage>237</lpage><history><date date-type="received" iso-8601-date="2020-11-12"><day>12</day><month>11</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-12-14"><day>14</day><month>12</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Akhmetzyanov F.S., Egorov V.I., Daminov A.N., Sirazitdinov N.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Ахметзянов Ф.Ш., Егоров В.И., Даминов А.Н., Сиразитдинов Н.Д.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Akhmetzyanov F.S., Egorov V.I., Daminov A.N., Sirazitdinov N.D.</copyright-holder><copyright-holder xml:lang="ru">Ахметзянов Ф.Ш., Егоров В.И., Даминов А.Н., Сиразитдинов Н.Д.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2024-04-06"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by-nc-sa/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://kazanmedjournal.ru/kazanmedj/article/view/49992">https://kazanmedjournal.ru/kazanmedj/article/view/49992</self-uri><abstract xml:lang="en"><p>Intussusception is one of the varieties of mixed (strangulation and obturation) mechanical intestinal obstruction. It arises as a result of the introduction of the adducting segment of the intestine into the abducting one. Gastroduo­denal intussusception is an extremely rare type of high intestinal obstruction. It most often occurs after surgery on the stomach and much less often in non-operated patients. Intussusception of the jejunum into the stomach can occur soon after surgery, but most often, this complication occurs 5–15 years after the intervention. This paper describes a case of retrograde intussusception that arose 9 years after the Billroth II gastric resection with Braun anastomosis. This clinical case acquaints specialists with the possibility to encounter this pathology in clinical practice and demonstrates the appropriateness of differential diagnostics in cases with similar clinical symptoms.</p></abstract><trans-abstract xml:lang="ru"><p>Инвагинация — одна из разновидностей механической смешанной кишечной непроходимости. Она возникает в результате внедрения приводящего отрезка кишки в отводящий. Инвагинация в области желудка и двенадцатиперстной кишки — крайне редкая разновидность высокой кишечной непроходимости. Она чаще всего возникает после операций на желудке и значительно реже — у неоперированных больных. ­Инвагинация тощей кишки в желудок может произойти вскоре после операции, но чаще всего это осложнение наступает через 5–15 лет после вмешательства. В данной работе описан случай ретроградной инвагинации, возникшей через 9 лет после резекции желудка по Бильрот II с брауновским ­соустьем. Приведённый клинический случай знакомит специалистов с возможностью встречи в клинической практике врача с данной патологией и свидетельствует о целесообразности проведения дифференциальной диагностики при схожих клинических симптомах.</p></trans-abstract><kwd-group xml:lang="en"><kwd>gastric cancer</kwd><kwd>intussusception</kwd><kwd>gastroenteroanastomosis</kwd><kwd>gastric resection</kwd><kwd>cancer recurrence</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак желудка</kwd><kwd>инвагинация</kwd><kwd>гастроэнтероанастомоз</kwd><kwd>резекция желудка</kwd><kwd>рецидив рака</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">Kazushhik V.L., Protasevich A.I. Redkie formy ostroj kishechnoj neprohodimosti. (Rare forms of acute intestinal obstruction.) Minsk: BGMU. 2008; 22 р. (In Russ.)</mixed-citation><mixed-citation xml:lang="ru">Казущик В.Л., Протасевич А.И. 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