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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">Digital Diagnostics</journal-id><journal-title-group><journal-title xml:lang="en">Digital Diagnostics</journal-title><trans-title-group xml:lang="ru"><trans-title>Digital Diagnostics</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>Digital Diagnostics</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2712-8490</issn><issn publication-format="electronic">2712-8962</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">227288</article-id><article-id pub-id-type="doi">10.17816/DD227288</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Case reports</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Клинические случаи и серии клинических случаев</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>临床病例及临床病例的系列</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">Magnetic resonance imaging in the diagnosis of necrosis of a pulled-through colon segment after abdomino-anal resection of the rectum for cancer</article-title><trans-title-group xml:lang="ru"><trans-title>Магнитно-резонансная томография в диагностике некроза низведённого сегмента толстой кишки после брюшно-анальной резекции прямой кишки по поводу рака</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>磁共振成像在腹腔肛管直肠癌切除术后降结肠坏死的诊断中的作用</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6686-5419</contrib-id><contrib-id contrib-id-type="spin">9668-3834</contrib-id><name-alternatives><name xml:lang="en"><surname>Myalina</surname><given-names>Sofiya A.</given-names></name><name xml:lang="ru"><surname>Мялина</surname><given-names>София Анатольевна</given-names></name><name xml:lang="zh"><surname>Myalina</surname><given-names>Sofiya A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>samyalina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-0036-9877</contrib-id><name-alternatives><name xml:lang="en"><surname>Paziuk</surname><given-names>Ksenia I.</given-names></name><name xml:lang="ru"><surname>Пазюк</surname><given-names>Ксения Игоревна</given-names></name><name xml:lang="zh"><surname>Paziuk</surname><given-names>Ksenia I.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>komolovaksusha@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3549-4499</contrib-id><contrib-id contrib-id-type="spin">5837-3465</contrib-id><name-alternatives><name xml:lang="en"><surname>Berezovskaya</surname><given-names>Tatiana P.</given-names></name><name xml:lang="ru"><surname>Березовская</surname><given-names>Татьяна Павловна</given-names></name><name xml:lang="zh"><surname>Berezovskaya</surname><given-names>Tatiana P.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Med.), Professor</p></bio><email>berez@mrrc.obninsk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5961-2958</contrib-id><contrib-id contrib-id-type="spin">3787-6139</contrib-id><name-alternatives><name xml:lang="en"><surname>Nevolskikh</surname><given-names>Alexey A.</given-names></name><name xml:lang="ru"><surname>Невольских</surname><given-names>Алексей Алексеевич</given-names></name><name xml:lang="zh"><surname>Nevolskikh</surname><given-names>Alexey A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д.м.н.</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Med.)</p></bio><email>nevol@mrrc.obninsk.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3752-3107</contrib-id><contrib-id contrib-id-type="spin">9189-4126</contrib-id><name-alternatives><name xml:lang="en"><surname>Potapov</surname><given-names>Aleksandr L.</given-names></name><name xml:lang="ru"><surname>Потапов</surname><given-names>Александр Леонидович</given-names></name><name xml:lang="zh"><surname>Potapov</surname><given-names>Aleksandr L.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Med.), Professor</p></bio><email>ALP8@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7689-6032</contrib-id><contrib-id contrib-id-type="spin">4264-5167</contrib-id><name-alternatives><name xml:lang="en"><surname>Ivanov</surname><given-names>Sergey A.</given-names></name><name xml:lang="ru"><surname>Иванов</surname><given-names>Сергей Анатольевич</given-names></name><name xml:lang="zh"><surname>Ivanov</surname><given-names>Sergey A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Med.), Professor</p></bio><email>oncourolog@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National Medical Research Radiological Center, A. Tsyb Medical Radiological Research Centre</institution></aff><aff><institution xml:lang="ru">Национальный медицинский исследовательский центр радиологии, Медицинский радиологический научный центр имени А.Ф. Цыба</institution></aff><aff><institution xml:lang="zh">National Medical Research Radiological Center, A. Tsyb Medical Radiological Research Centre</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Obninsk Institute for Nuclear Power Engineering ― National Research Nuclear University MEPhI</institution></aff><aff><institution xml:lang="ru">Обнинский институт атомной энергетики ― филиал Национального исследовательского ядерного университета «МИФИ»</institution></aff><aff><institution xml:lang="zh">Obninsk Institute for Nuclear Power Engineering ― National Research Nuclear University MEPhI</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff><aff><institution xml:lang="zh">Peoples’ Friendship University of Russia</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-03-30" publication-format="electronic"><day>30</day><month>03</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2023-04-19" publication-format="electronic"><day>19</day><month>04</month><year>2023</year></pub-date><volume>4</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>61</fpage><lpage>69</lpage><history><date date-type="received" iso-8601-date="2023-02-13"><day>13</day><month>02</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-03-10"><day>10</day><month>03</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Эко-вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2023, Eco-Vector</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-вектор</copyright-holder><copyright-holder xml:lang="zh">Eco-Vector</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://jdigitaldiagnostics.com/DD/article/view/227288">https://jdigitaldiagnostics.com/DD/article/view/227288</self-uri><abstract xml:lang="en"><p>This study presents a case of necrosis of the pulled-through colon after abdomino-anal resection of the rectum, which was diagnosed by magnetic resonance imaging.</p> <p>A 47-year-old man underwent laparoscopically assisted abdomino-anal resection of the rectum with reconstruction of a coloplasty pouch and transverse colostomy in the course of combination treatment for locally advanced rectal cancer. The postoperative period was complicated by the development of an inflammatory response syndrome. On postoperative day 3, contrast-enhanced magnetic resonance imaging revealed swelling of the 15-cm segment of pulled-through colon up to the coloanal anastomosis with sharply attenuated contrast enhancement, whereas rectoscopy showed no changes. On postoperative day 6, a magnetic resonance imaging scan revealed a defect in the anterior wall of the coloplasty pouch with a parietal aerocele, and rectoscopy showed signs of necrosis of the bowel wall. On postoperative day 10, the magnetic resonance imaging scan presented no changes. Because of increasing signs of inflammation, relaparotomy with anastomosis disconnection and resection of the necrotized bowel segment were performed.</p> <p>Ischemia of the pulled-through colon after rectal surgery is a rare but serious complication. Our clinical case report demonstrates the potential of contrast-enhanced magnetic resonance imaging as a non-invasive method in case follow-up in patients with a complicated postoperative period for early diagnosis of ischemia and bowel wall defects, which helps to make the appropriate patient management plan.</p></abstract><trans-abstract xml:lang="ru"><p>В работе представлен случай некроза низведённой толстой кишки после брюшно-анальной резекции прямой кишки, для диагностики которого была использована магнитно-резонансная томография.</p> <p>Пациенту (мужчина, 47 лет) в ходе комбинированного лечения местно-распространённого рака прямой кишки выполнена лапароскопически ассистированная брюшно-анальная резекция прямой кишки с формированием колопластического резервуара и трансверзостомы. Послеоперационный период осложнился развитием синдрома воспалительной реакции. На 3-й послеоперационный день методом магнитно-резонансной томографии с контрастным усилением выявлен отёк 15-сантиметрового сегмента низведённой толстой кишки до колоанального анастомоза с резко ослабленным контрастированием; при ректоскопии изменений не выявлено. На 6-й послеоперационный день методом магнитно-резонансной томографии обнаружен дефект передней стенки колопластического резервуара с формированием пристеночной воздушной полости, при ректоскопии ― признаки некроза стенки кишки. На 10-й послеоперационный день картина магнитно-резонансной томографии без динамики. В связи с нарастающими признаками воспаления выполнена релапаротомия с разобщением анастомоза и резекцией некротизированного сегмента кишки.</p> <p>Ишемия низведённой толстой кишки после операций на прямой кишке является редким, но крайне серьёзным осложнением. Наше клиническое наблюдение демонстрирует возможности магнитно-резонансной томографии с конт-растным усилением в качестве неинвазивного метода динамического наблюдения пациентов с осложнённым послеоперационным периодом с целью ранней диагностики ишемии и дефектов стенки кишки, что способствует принятию верной тактики ведения пациента.</p></trans-abstract><trans-abstract xml:lang="zh"><p>本文介绍了一个通过磁共振成像诊断的腹腔直肠切除术后降结肠坏死的病例。</p> <p>一名47岁的男性患者在局部晚期直肠癌的联合治疗期间接受了腹腔镜辅助下的腹腔肛管直肠切除术，并医生形成了结肠贮袋和横结肠造口。手术后发生了并发症，即炎症反应综合征。手术后第3天，造影剂增强磁共振成像显示了降结肠至结肠肛门吻合的15厘米处肿胀，造影剂急剧减少；直肠镜检查没显示变化。手术后第6天，磁共振成像显示了结肠贮袋前壁有缺陷，形成了壁性气腔；直肠镜检查显示了肠壁有坏死迹象。手术后第10天，磁共振成像检查结果没有任何动态变化。由于炎症的迹象越来越明显，因此重新进行了吻合口隔绝术，并切除了坏死的肠段。</p> <p>直肠手术后降结肠缺血是一种罕见但非常严重的并发症。我们的临床观察表明造影剂增强磁共振成像的优点，具体来说，作为一种对手术后有并发症的患者进行动态监测的非侵入性方法，为了早期诊断缺血和肠壁缺陷，造影剂增强磁共振成像有助于采取正确的患者管理策略。</p></trans-abstract><kwd-group xml:lang="en"><kwd>magnetic resonance imaging</kwd><kwd>rectal cancer</kwd><kwd>abdomino-anal resection of the rectum</kwd><kwd>diagnosis of postoperative complications</kwd><kwd>colonic ischemia</kwd><kwd>colonic necrosis</kwd><kwd>case report</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>магнитно-резонансная томография</kwd><kwd>рак прямой кишки</kwd><kwd>брюшно-анальная резекция прямой кишки</kwd><kwd>диагностика послеоперационных осложнений</kwd><kwd>ишемия толстой кишки</kwd><kwd>некроз толстой кишки</kwd><kwd>клинический случай</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>磁共振成像</kwd><kwd>直肠癌</kwd><kwd>腹腔肛管直肠切除术</kwd><kwd>术后并发症的诊断</kwd><kwd>结肠缺血</kwd><kwd>结肠坏死</kwd><kwd>临床病例</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">Berdov BA, Nevolskikh AA, Yerygin DV, Lantsov DS. 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