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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">gnck</journal-id><journal-title-group><journal-title xml:lang="ru">Колопроктология</journal-title><trans-title-group xml:lang="en"><trans-title>Koloproktologia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7556</issn><issn pub-type="epub">2686-7303</issn><publisher><publisher-name>Russian Association of Coloproctology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33878/2073-7556-2020-19-1-37-50</article-id><article-id custom-type="elpub" pub-id-type="custom">gnck-1544</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>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>ЭНДОСКОПИЧЕСКАЯ ДИАГНОСТИКА ДИСПЛАЗИИ ЭПИТЕЛИЯ ТОЛСТОЙ КИШКИ У ПАЦИЕНТОВ С ДЛИТЕЛЬНЫМ АНАМНЕЗОМ ЯЗВЕННОГО КОЛИТА</article-title><trans-title-group xml:lang="en"><trans-title>ENDOSCOPIC DIAGNOSIS OF DYSPLASIA IN PATIENTS WITH LONGSTANDING ULCERATIVE COLITIS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Архипова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Arkhipova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Архипова Ольга Владиславовна</p><p>ул. Саляма Адиля, д. 2, Москва, 123423тел.: +7 (499) 199-24-89 </p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">olga2110.arhipova@yandex.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>Скридлевский</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Skridlevskiy</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Веселов</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Veselov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Майновская</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Majnovskaya</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «НМИЦ колопроктологии имени А.Н. Рыжих» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ryzhikh National Medical Research Centre for Coloproctology of the Ministry of Health of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>21</day><month>03</month><year>2020</year></pub-date><volume>19</volume><issue>1</issue><fpage>37</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Архипова О.В., Скридлевский С.Н., Веселов В.В., Майновская О.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Архипова О.В., Скридлевский С.Н., Веселов В.В., Майновская О.А.</copyright-holder><copyright-holder xml:lang="en">Arkhipova O.V., Skridlevskiy S.N., Veselov V.V., Majnovskaya O.A.</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.ruproctology.com/jour/article/view/1544">https://www.ruproctology.com/jour/article/view/1544</self-uri><abstract><sec><title>ЦЕЛЬ</title><p>ЦЕЛЬ: оценить эффективность колоноскопии высокого разрешения с применением хромоэндоскопии в диагностике дисплазии эпителия толстой кишки у пациентов с длительным анамнезом язвенного колита (ЯК).</p></sec><sec><title>ПАЦИЕНТЫ И МЕТОДЫ</title><p>ПАЦИЕНТЫ И МЕТОДЫ: в проспективное исследование включено 140 пациентов (29-79 лет) с длительным анамнезом ЯК (6-44 лет), в период эндоскопической ремиссии, адекватной подготовкой толстой кишки. Выполнялась колоноскопия в белом свете колоноскопами высокого разрешения, хромоэндоскопия (0,4% раствор индигокармина), прицельная биопсия образований с эндоскопическими признаками дисплазии, гистологическое исследование. Сравнительный анализ выполнен с применением точного двустороннего критерия Фишера.</p></sec><sec><title>РЕЗУЛЬТАТЫ</title><p>РЕЗУЛЬТАТЫ: при колоноскопии в белом свете у 27 (19,3%) пациентов выявлено 34 образования с эндоскопическими признаками дисплазии эпителия толстой кишки: у 20 пациентов – по 1 (74,1%) образованию, у 7 (25,9%) пациентов – по 2 образования, 12 (35,3%) образований имели диаметр менее 1 см, 22 (64,7%) образования – более 1 см в диаметре. При хромоэндоскопии в 100% случаев подтверждены признаки дисплазии (88,2% – дисплазия низкой степени/low grade дисплазии). По данным гистологического исследования биопсийного материала, дисплазия низкой степени определена в 58,8% случаев, в 20,6% – изменения, неопределенные по дисплазии, и спорадические аденомы – в 20,6%. Эффективность эндоскопической диагностики в выявлении дисплазии составила 74%. Сравнительный анализ эндоскопических характеристик дисплазии эпителия и спорадических аденом показал отсутствие значимых различий.</p></sec><sec><title>ЗАКЛЮЧЕНИЕ</title><p>ЗАКЛЮЧЕНИЕ: дополнительное применение хромоэндоскопии при колоноскопии высокого разрешения с выполнением прицельной биопсии не приводит к увеличению частоты выявления дисплазии эпителия толстой кишки при ЯК. При принятии решения о выборе метода эндоскопической диагностики дисплазии при ЯК необходимо учитывать фактор квалификации специалиста.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>AIM</title><p>AIM: to evaluate high-definition colonoscopy (HD-WLE) using chromoendoscopy for dysplasia in the longstanding ulcerative colitis (UC).</p></sec><sec><title>PATIENTS AND METHODS</title><p>PATIENTS AND METHODS: a cohort prospective study included 140 patients (aged 29-79 years old) with a long course of UC (6-44 years) in time of endoscopic remission with good quality of bowel cleansing. A white-light endoscopy was performed using high-definition colonoscopies (HD-WLE). Chromoendoscopy (0.4% solution of indigo carmine), targeted biopsy, and histological analysis were performed.</p></sec><sec><title>RESULTS</title><p>RESULTS: HD-WLE revealed 34 lesions with endoscopic signs of dysplasia in 27 (19.3%) patients: in 20 patients – 1 (74.1%) lesion, in 7 patients 2 (25.9%). In 22 patients (64.7%) lesions were more than 1 cm.Chromoendoscopy confirmed the signs of dysplasia in 100.0% of cases (88.2% – low grade dysplasia).Histologically, low-grade dysplasia was detected in 58.8% of cases, undetected dysplasia – in 20.6%, sporadic adenomas – in 20.6%.The effectiveness of endoscopic diagnosis for detecting dysplasia was 74%. A comparative analysis of the endoscopic signs of dysplasia and sporadic adenomas showed the absence of significant differences.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION: the additional chromoendoscopy during HD-WLE colonoscopy with targeted biopsy does not lead to increase of colorectal epithelial dysplasia detection in UC.The experience of endoscopist should be considered when making decision which type of endoscopy for dysplasia detection in UC is needed.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>язвенный колит</kwd><kwd>колоноскопия</kwd><kwd>дисплазия</kwd><kwd>хромоэндоскопия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ulcerative colitis</kwd><kwd>colonoscopy</kwd><kwd>dysplasia</kwd><kwd>chromoendoscopy</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">Choi Ch, Ignjatovic-Wilson A, Alan Askari A. et al. 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