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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">nogr</journal-id><journal-title-group><journal-title xml:lang="ru">Экспериментальная и клиническая гастроэнтерология</journal-title><trans-title-group xml:lang="en"><trans-title>Experimental and Clinical Gastroenterology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1682-8658</issn><publisher><publisher-name>«Global Media Technologies»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31146/1682-8658-ecg-169-9-93-96</article-id><article-id custom-type="elpub" pub-id-type="custom">nogr-1238</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>КЛИНИЧЕСКИЕ НАБЛЮДЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL CASES</subject></subj-group></article-categories><title-group><article-title>Редкий случай из практики — миниатюрная зубчатая аденома на широком основании в толстой кишке</article-title><trans-title-group xml:lang="en"><trans-title>A rare practice case — a diminutive sessile serrated adenoma of the colon</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8726-0929</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агейкина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ageykina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Агейкина Наталья Владимировна, к. м. н., руководитель эндоскопического отделения клиники, Москва, Россия</p></bio><bio xml:lang="en"><p>Natalya V. Ageykina, MD, PhD, Head of the Department of Endoscopy, Moscow, Russia</p></bio><email xlink:type="simple">ageykina.natalia@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6036-7061</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоров</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федоров Евгений Дмитриевич, д. м. н., профессор, главный научный сотрудник; НИЛ хирургической гастроэнтерологии и эндоскопии, Москва, Россия</p></bio><bio xml:lang="en"><p>Evgeni D. Fedorov, MD, ScD, Сhief Researcher, Moscow, Russia</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8564-8874</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Олейникова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Oleynikova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олейникова Нина Александровна, кандидат мед. наук, научный сотрудник, отдел клинической патологии, Москва, Россия</p></bio><bio xml:lang="en"><p>Nina A. Oleynikova, MD, PhD, Researcher scientist, Department of Pathology, Moscow, Russia</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5909-1248</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харлова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharlova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Харлова Ольга Андреевна, кандидат мед. наук, младший научный сотрудник, отдел клинической патологии, Москва, Россия</p></bio><bio xml:lang="en"><p>Olga A. Kharlova, MD, PhD, junior Researcher scientist, Department of Pathology, Moscow, Russia</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7848-6707</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Данилова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Danilova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Данилова Наталья Владимировна, кандидат мед. наук, старший научный сотрудник, отдел клинической патологии, Москва, Россия</p></bio><bio xml:lang="en"><p>Natalya V. Danilova, MD, PhD, Senior researcher scientist, Department of Pathology, Moscow, Russia</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5074-3513</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мальков</surname><given-names>П. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Malkov</surname><given-names>P. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мальков Павел Георгиевич, доктор мед. наук, заведующий отделом клинической патологии, Москва, Россия</p></bio><bio xml:lang="en"><p>Pavel G. Malkov, MD, ScD, Head of Department of Pathology, Moscow, Russia</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Клиника МЕДСИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Medsi Clinic</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный университет имени М. В. Ломоносова; РНИМУ им. Н. И. Пирогова МЗ РФ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University; Pirogov Russian National Research Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский государственный университет имени М. В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>24</day><month>03</month><year>2020</year></pub-date><volume>0</volume><issue>9</issue><fpage>93</fpage><lpage>96</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Агейкина Н.В., Федоров Е.Д., Олейникова Н.А., Харлова О.А., Данилова Н.В., Мальков П.Г., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Агейкина Н.В., Федоров Е.Д., Олейникова Н.А., Харлова О.А., Данилова Н.В., Мальков П.Г.</copyright-holder><copyright-holder xml:lang="en">Ageykina N.V., Fedorov E.D., Oleynikova N.A., Kharlova O.A., Danilova N.V., Malkov P.G.</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.nogr.org/jour/article/view/1238">https://www.nogr.org/jour/article/view/1238</self-uri><abstract><sec><title>Цель</title><p>Цель. Иллюстрация случая миниатюрной зубчатой аденомы на широком основании (ЗАШО) как варианта развития из неизмененной слизистой оболочки толстой кишки.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В 2017 году был выявлен случай миниатюрной ЗАШО у пациентки 77 лет. При эндоскопическом исследовании, включавшем в себя осмотр в белом свете, в режиме узкого спектра света и ближнего фокуса, определены основные эндоскопические признаки ЗАШО. Выполнено эндоскопическое удаление образования с последующим подтверждением ее гистологического строения.</p></sec><sec><title>Результаты</title><p>Результаты. При колоноскопии выявлена миниатюрная ЗАШО до 3мм с типичными эндоскопическими признаками: плоско-возвышенная форма типа 0-IIа, с «муцинозной шапкой», по цвету аналогично окружающей слизистой оболочке, структура кишечных ямок типа II-О и без усиления капиллярного рисунка, но с изолированными дилатированными капиллярами. Гистологически удаленное образование представляет собой крипты с формированием зубчатости цитоплазматического типа, каплевидного расширения и горизонтальным ростом базальных отделов, без дисплазии эпителия.</p></sec><sec><title>Заключение</title><p>Заключение. Приведенный клинический случай демонстрирует редкое наблюдение миниатюрной ЗАШО и сложности эндоскопического выявления в связи с малым размером и трудно дифференцируемыми эндоскопическими признаками. Приведенное наблюдение свидетельствует в пользу одной из теорий роста — непосредственно из неизмененной слизистой оболочки, минуя стадию ГП, что демонстрирует необходимость дальнейшего изучения зубчатых образований, механизмов их формирования (морфогенез) и предраковый потенциал.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. An illustration of a case of diminutive sessile serrated adenoma (SSA) as a variant of the development of the normal colon mucosa.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. In 2017 a diminutive SSA was identified in the case of a 77 year-old patient. During endoscopic examination, which included white light endoscopy examination, narrow band imaging (NBI) and near focus, the main endoscopic signs of SSA were determined. Endoscopic removal of the lesion with subsequent confirmation of its histological structure was performed.</p></sec><sec><title>Results</title><p>Results. The colonoscopy revealed a diminutive SSA of up to 3mm in size with typical endoscopic signs: a flat-elevated type 0-IIA, a “mucinous cap”, the same color to the surrounding mucosa, pit pattern type II-О, absence of meshed capillary vessels, but with isolated dilated capillaries. Histological examination revealed the crypts to have a cytoplasmic-type serration, drop-like expansion and horizontal growth of the basal parts, without epithelial dysplasia.</p></sec><sec><title>Conclusion</title><p>Conclusion. The presented clinical case shows a rare observation of a diminutive SSA, and the complexity of endoscopic diagnosis due to its small size. The above observation demonstrates one of the pathways — developing directly from the normal mucosa, bypassing the stage of hyperplastic polyp. Thus indicating the need for further study of serrated polyps, morphogenesis mechanisms and precancerous potential.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>зубчатая аденома на широком основании</kwd><kwd>колоноскопия</kwd><kwd>миниатюрное образование толстой кишки</kwd><kwd>зубчатый путь</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sessile serrated adenoma</kwd><kwd>colonoscopy</kwd><kwd>diminutive colon polyp</kwd><kwd>serrated pathway</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">Rex DK, Ahnen DJ, Baron JA, et al. Serrated lesions of the colorectum: review and recommendations from an expert panel. Am J Gastroenterol, 2012, vol. 107, no. 9, pp. 1315–1330. doi:10.1038/ajg.2012.161.</mixed-citation><mixed-citation xml:lang="en">Rex DK, Ahnen DJ, Baron JA, et al. Serrated lesions of the colorectum: review and recommendations from an expert panel. Am J Gastroenterol, 2012, vol. 107, no. 9, pp. 1315–1330. doi:10.1038/ajg.2012.161.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Saito S, Tajiri H, Ikegami M. Serrated polyps of the colon and rectum: Endoscopic features including image enhanced endoscopy. World J. Gastrointest Endosc, 2015, vol. 7, no. 9, pp. 860–871. doi:10.4253/wjge.v7.i9.860.</mixed-citation><mixed-citation xml:lang="en">Saito S, Tajiri H, Ikegami M. Serrated polyps of the colon and rectum: Endoscopic features including image enhanced endoscopy. World J. Gastrointest Endosc, 2015, vol. 7, no. 9, pp. 860–871. doi:10.4253/wjge.v7.i9.860.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Lieberman DA, Rex DK, Winawer SJ. et al. Guidelines for colonoscopy surveillance after screening and polypectomy: a consensus update by the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology. 2012, vol. 143, no. 3, pp. 844–57. doi: 10.1053/j.gastro.2012.06.001.</mixed-citation><mixed-citation xml:lang="en">Lieberman DA, Rex DK, Winawer SJ. et al. Guidelines for colonoscopy surveillance after screening and polypectomy: a consensus update by the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology. 2012, vol. 143, no. 3, pp. 844–57. doi: 10.1053/j.gastro.2012.06.001.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Lambert R., Kudo S., Vieth M. et al. Pragmatic classification of superficial neoplastic colorectal lesions. Gastrointestinal Endoscopy. 2009, vol. 70, no. 6, pp. 1182–1199. doi: 10.1016/j.gie.2009.09.015.</mixed-citation><mixed-citation xml:lang="en">Lambert R., Kudo S., Vieth M. et al. Pragmatic classification of superficial neoplastic colorectal lesions. Gastrointestinal Endoscopy. 2009, vol. 70, no. 6, pp. 1182–1199. doi: 10.1016/j.gie.2009.09.015.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Rosty C, Hewett DG, Brown IS. et al. Serrated polyps of the large intestine: current understanding of diagnosis, pathogenesis, and clinical management. J. Gastroenterol. 2013, vol. 48, no. 3, pp. 287–302. doi:10.1007/s00535–012–0720-y.</mixed-citation><mixed-citation xml:lang="en">Rosty C, Hewett DG, Brown IS. et al. Serrated polyps of the large intestine: current understanding of diagnosis, pathogenesis, and clinical management. J. Gastroenterol. 2013, vol. 48, no. 3, pp. 287–302. doi:10.1007/s00535–012–0720-y.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Oka S., Tanaka S., Hiyama T. Сlinicopathologic and endoscopic features of colorectal serrated adenoma: differences between polypoid and superficial types. Gastrointest Endosc. 2004, vol. 59, pp. 213–19. doi: 10.4253/i9.860.</mixed-citation><mixed-citation xml:lang="en">Oka S., Tanaka S., Hiyama T. Сlinicopathologic and endoscopic features of colorectal serrated adenoma: differences between polypoid and superficial types. Gastrointest Endosc. 2004, vol. 59, pp. 213–19. doi: 10.4253/i9.860.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Tadepalli US, Feihel D, Miller KM. et al. A morphologic analysis of sessile serrated polyps observed during routine colonoscopy (with video). Gastrointest Endosc. 2011, vol. 74, pp. 1360–8. doi: 10.1016/j.gie.2011.08.008.</mixed-citation><mixed-citation xml:lang="en">Tadepalli US, Feihel D, Miller KM. et al. A morphologic analysis of sessile serrated polyps observed during routine colonoscopy (with video). Gastrointest Endosc. 2011, vol. 74, pp. 1360–8. doi: 10.1016/j.gie.2011.08.008.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Hazewinkel Y., López-Cerón M., East J. E. Endoscopic features of sessile serrated adenomas: validation by international experts using high-resolution white-light endos copy and narrow-band imaging. J. Gastrointest Endosc. 2013, vol. 77, pp. 916–24. doi: 10.1016/j.gie.2012.12.018.</mixed-citation><mixed-citation xml:lang="en">Hazewinkel Y., López-Cerón M., East J. E. Endoscopic features of sessile serrated adenomas: validation by international experts using high-resolution white-light endos copy and narrow-band imaging. J. Gastrointest Endosc. 2013, vol. 77, pp. 916–24. doi: 10.1016/j.gie.2012.12.018.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Tadepalli U.S., Feihel D., Miller K. M. A morphologic analysis of sessile serrated-polyps observed during routine colonoscopy (with video). Gastrointest Endosc. 2011, vol. 74, pp. 1360–8. doi: 10.1016/j.gie.2011.08.008.</mixed-citation><mixed-citation xml:lang="en">Tadepalli U.S., Feihel D., Miller K. M. A morphologic analysis of sessile serrated-polyps observed during routine colonoscopy (with video). Gastrointest Endosc. 2011, vol. 74, pp. 1360–8. doi: 10.1016/j.gie.2011.08.008.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Григорьев Е.Г., Владимирова А. А., Раевская Л. Ю. и соавт. Зубчатая аденома толстой кишки и ее клиническое значение // Клиническая медицина. – 2009. – 87(6). – 50–52;</mixed-citation><mixed-citation xml:lang="en">Grigor’ev E.G., Vladimirova A. A., Raevskaya L.YU. i soavt. Zubchataya adenoma tolstoj kishki i ee klinicheskoe znachenie [Serrated adenoma of the colon and its clinical significance]. Klinicheskaya medicina. 2009, vol. 87, no. 6, pp. 50–52.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Bordacahar, B., Barret M., Terris B. et al. Sessile serrated adenoma: from identification to resection. Dig Liver Dis. 2015, vol. 47, no. 2, pp. 95–102. https://doi.org/10.1016/j.dld.2014.09.006.</mixed-citation><mixed-citation xml:lang="en">Bordacahar, B., Barret M., Terris B. et al. Sessile serrated adenoma: from identification to resection. Dig Liver Dis. 2015, vol. 47, no. 2, pp. 95–102. https://doi.org/10.1016/j.dld.2014.09.006.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Snover DC, Ahnen DJ, Burt RW, et al. Serrated polyps of the colon and rectum and serrated polyposis. In: Bosman FT, Carneiro F, Hruban RH, et al, editors. WHO classification of tumours of the digestive system. Lyon, France: IARC. 2010, pp 160–5;</mixed-citation><mixed-citation xml:lang="en">Snover DC, Ahnen DJ, Burt RW, et al. Serrated polyps of the colon and rectum and serrated polyposis. In: Bosman FT, Carneiro F, Hruban RH, et al, editors. WHO classification of tumours of the digestive system. Lyon, France: IARC. 2010, pp 160–5;</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Sano Y., Horimatsu T., Fu K. I. et al. Magnifying observation of microvascular architecture of colorectal lesions using a narrow band imaging system. Dig. Endosc. 2006, vol. 18, pp. 44–51. doi:10.1111/j.1443–1661.2006.00621.x.</mixed-citation><mixed-citation xml:lang="en">Sano Y., Horimatsu T., Fu K. I. et al. Magnifying observation of microvascular architecture of colorectal lesions using a narrow band imaging system. Dig. Endosc. 2006, vol. 18, pp. 44–51. doi:10.1111/j.1443–1661.2006.00621.x.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Kimura T. Yamamoto E., Yamano H. O., et al. A novel pit pattern identifies the precursor of colorectal cancer derived from sessile serrated adenoma. Am J. Gastroenterol. 2012, vol. 107, no. 3, pp. 460–469. doi: 10.1038/ajg.2011.457.</mixed-citation><mixed-citation xml:lang="en">Kimura T. Yamamoto E., Yamano H. O., et al. A novel pit pattern identifies the precursor of colorectal cancer derived from sessile serrated adenoma. Am J. Gastroenterol. 2012, vol. 107, no. 3, pp. 460–469. doi: 10.1038/ajg.2011.457.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
