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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2021-6.3.12</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-2854</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>ОНКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ONCOLOGY</subject></subj-group></article-categories><title-group><article-title>Современные возможности и перспективы ранней диагностики рака желудка</article-title><trans-title-group xml:lang="en"><trans-title>Modern possibilities and prospects of early diagnosis of stomach cancer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5653-2960</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Архипова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Arkhipova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p> кандидат медицинских наук, заведующая эндоскопическим отделением</p><p>630051, г. Новосибирск, ул. Ползунова, 21, Россия </p></bio><bio xml:lang="en"><p> Cand. Sc. (Med.), Head of the Endoscopic Department</p><p> Polzunova Str. 21, 630051, Novosibirsk, Russian Federation </p></bio><email xlink:type="simple">ierusalimova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1178-5205</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анищенко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Anischenko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> доктор медицинских наук, профессор, заведующий кафедрой хирургии факультета усовершенствования врачей</p><p>630091, г. Новосибирск, ул. Красный проспект, 52, Россия </p></bio><bio xml:lang="en"><p> Dr. Sc. (Med.), Professor, Head of the Department of Surgery at the Faculty of Continuing Medical Education</p><p>Krasny Prospect 52, 630091, Novosibirsk, Russian Federation </p></bio><email xlink:type="simple">AVV1110@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБУЗ НСО «Городская клиническая больница № 2»</institution></aff><aff xml:lang="en"><institution>Differential diagnosis of gastric ulcers and modern possibilities of early cancer detection State Budgetary Healthcare Institution of the Novosibirsk Region «City Clinical Hospital No. 2»</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Новосибирский государственный медицинский университет» Минздрава РФ</institution></aff><aff xml:lang="en"><institution>FSBEI of Higher Education «Novosibirsk State Medical University (NSMU) of the Ministry of Health of the Russian Federation</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>13</day><month>08</month><year>2021</year></pub-date><volume>6</volume><issue>3</issue><fpage>113</fpage><lpage>125</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Архипова А.А., Анищенко В.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Архипова А.А., Анищенко В.В.</copyright-holder><copyright-holder xml:lang="en">Arkhipova A.A., Anischenko V.V.</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.actabiomedica.ru/jour/article/view/2854">https://www.actabiomedica.ru/jour/article/view/2854</self-uri><abstract><p> В обзор включены 70 статей, большая часть из которых опубликована в последние 5 лет.Цель обзора: изучить современные возможности и перспективы ранней диагностики рака желудка. В России в 2018 г. летальность на первом году жизни с момента установления диагноза составила 47,4%. Лидеры внутри  просветной эндоскопии – специалисты из Японии, где более  60% рака желудка выявляется на ранней стадии, рекомендуют для рутиной диагностики использовать  усовершенствованное эндоскопическое оборудование,  которое даёт возможность увеличивать изображение,  проводить осмотр капилляров слизистой оболочки, производить серию фотографий. Для повышения точности  использовать искусственный интеллект. Гастроскопия с помощью искусственного интеллекта компенсирует ошибки и ограниченные возможности людей, обеспечивает большую точность. Однако данная технология является  дорогостоящей, а сама эзофагогастродуоденоскопия  является инвазивным методом и может быть использована только в клинических условиях. У пациентов с  определяемым поражением необходимо произвести  биопсию, при заборе материала важно получить  достаточное количество ткани, однако многие пациенты  принимают антикоагулянтные препараты по этой причине,  забор большого количества фрагментов может привести к кровотечению. Учитывая ограничения эзофагогастродуоденоскопии с биопсией, и тот факт, что на долю рака желудка, выявленного на I стадии в 2018 году в России, пришлось 12,4% поиск эффективных инструментов диагностики по-прежнему актуален. МикроРНК уже более 10 лет находятся на «арене исследования рака» и рассматриваются как биомаркеры, которые могут помочь в разделении пациентов с нормой, дисплазией и раком. МикроРНК регулирует все процессы жизнедеятельности клетки, к тому же они стабильны и легко извлекаются из  различных биологических материалов, включая ткани, кровь, кал, слюну, асцитическую жидкость и даже  парафиновые блоки. И хотя МикроРНК только входят в  клиническую практику, полученные результаты  обнадёживают. </p></abstract><trans-abstract xml:lang="en"><p> The review includes 70 articles, most of which have been published for the last 5 years.The aim of the review: explore the modern possibilities and prospects of early diagnosis of stomach cancer. In 2018 in Russia, the mortality rate within one year after the diagnosis was 47.4%. Leading experts in luminal endoscopy from Japan, where more than 60% cases of stomach cancer are detected at an early stage, recommend using advanced endoscopic equipment for routine diagnostics, which allows enlarging the image, examining the capillaries of the mucosa and taking series of pictures. Artificial intelligence improves accuracy. Gastroscopic study with artificial intelligence compensates errors and limited capabilities of people, and provides greater accuracy. However, this technology is expensive, and esophagogastroduodenoscopy itself is an invasive method and can be used only in a clinical setting. In patients with a detectable lesion, a biopsy should be performed. It is important to obtain a sufficient amount of tissue when collecting material, however, many patients take anticoagulants, and thus sampling of numerous fragments can lead to bleeding. Given the limitations of esophagogastroduodenoscopy with biopsy and the fact that only 12.4% cases of stomach cancer in 2018 in Russia identified on the stage I, the searching of effective diagnostic tools is still relevant. MicroRNAs have been in the «cancer research arena» for over 10 years and are considered biomarkers that can help to differentiate between the patients with normal range, dysplasia and those with cancer. MicroRNA regulates all vital processes of a cell, moreover, they are stable and easily extracted from various biological materials, including tissues, blood, feces, saliva, ascitic fluid and even paraffin blocks. And although microRNAs are only entering clinical practice, the results obtained are encouraging.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биомаркеры</kwd><kwd>рак</kwd><kwd>факторы риска</kwd><kwd>диагностика</kwd><kwd>МикроРНК.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biomarkers</kwd><kwd>stomach ulcer</kwd><kwd>cancer</kwd><kwd>risk factors</kwd><kwd>diagnostics</kwd><kwd>microRNA</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">Состояние онкологической помощи населению России в 2019 году/под ред. Каприна А. Д., Старинского В. В., Шахзадова А. 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