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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">medvis</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская визуализация</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Visualization</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-0763</issn><issn pub-type="epub">2408-9516</issn><publisher><publisher-name>RDS-Media Ltd.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24835/1607-0763-2020-3-54-62</article-id><article-id custom-type="elpub" pub-id-type="custom">medvis-950</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>БРЮШНАЯ ПОЛОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ABDOMEN</subject></subj-group></article-categories><title-group><article-title>Норма отображения тонкой кишки при компьютерной томографии</article-title><trans-title-group xml:lang="en"><trans-title>The norm of the small bowel on computed tomography</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8609-6319</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Егоров</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Егоров Андрей Андреевич – врач-рентгенолог</p><p>119146 Москва, 2-я Фрунзенская ул., 4, Российская Федерация</p></bio><bio xml:lang="en"><p>Andrey A. Egorov – radiologist</p><p>Moscow, 2nd Frunzenskaya str., 4, 119146, Russian Federation</p></bio><email xlink:type="simple">egorov.scan@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/0000-0002-5494-0327</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кошелев</surname><given-names>Э. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Koshelev</surname><given-names>E. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кошелев Эдуард Геннадьевич – канд. мед. наук, заведующий кафедрой рентгенологии и ультразвуковой диагностики; заведующий отделением КТ и МРТ</p><p>121359 Москва, ул. Маршала Тимошенко, 19, строение 1А, Российская Федерация;</p><p>119049 Москва, Ленинский проспект, 8, Российская Федерация</p></bio><bio xml:lang="en"><p>Eduard G. Koshelev – Cand. of Sci. (Med.), head of the department of radiology and ultrasound diagnostics; Head of the department of CT and MRI</p><p>Moscow, Marshal Timoshenko str., 19, building 1A, 121359, Russian Federation;</p><p>Moscow, Leninsky Prospekt, 8, 119049, Russian Federation</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/0000-0002-1119-9102</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Беляев</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Belyaev</surname><given-names>G. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Беляев Георгий Юрьевич – канд. мед. наук, доцент кафедры рентгенологии и ультразвуковой диагностики; заведующий рентгенологическим отделением</p><p>119146 Москва, 2-я Фрунзенская ул., 4, Российская Федерация;</p><p>121359 Москва, ул. Маршала Тимошенко, 19, строение 1А, Российская Федерация</p></bio><bio xml:lang="en"><p>Georgy Yu. Belyaev – Head of the Radiology Department; Cand. of Sci. (Med.), Associate Professor of the Department of Radiology and Ultrasound Diagnostics</p><p>Moscow, 2nd Frunzenskaya str., 4, 119146, Russian Federation;</p><p>Moscow, Marshal Timoshenko str., 19, building 1A, 121359, Russian Federation</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/0000-0002-4851-0435</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Честнова</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chestnova</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Честнова Станислава Сергеевна – врач-рентгенолог</p><p>127055 Москва, Площадь Борьбы, 11, Российская Федерация</p></bio><bio xml:lang="en"><p>Stanislava S. Chestnova – radiologist</p><p>Moscow, Ploshchad' Bor'by, 11, 127055, Russian Federation</p></bio><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9090-6820</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соколова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соколова Ольга Вячеславовна – доктор мед. наук, врач-гастроэнтеролог отделения гастроэнтерологии</p><p>105203 Москва, Нижняя Первомайская ул., 70, Российская Федерация</p></bio><bio xml:lang="en"><p>Olga V. Sokolova – Doct. of Sci. (Med.),gastroenterologist, gastroenterology department</p><p>Russia, Moscow, Nizhnyaya Pervomayskaya str., 70, 105203, Russian Federation</p></bio><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ “Поликлиника № 2” Управления делами Президента Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Polyclinic No. 2 of Affairs Management Department of President of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ ДПО “Центральная государственная медицинская академия” Управления делами Президента Российской Федерации; ГБУЗ “ГКБ № 1 имени Н.И. Пирогова ДЗМ”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The Central State Medical Academy of Affairs Management Department of President of the Russian Federation; City Clinical Hospital No. 1 in the name of N.I. Pirogov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБУ “Поликлиника № 2” Управления делами Президента Российской Федерации; ФГБУ ДПО “Центральная государственная медицинская академия” Управления делами Президента Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Polyclinic No. 2 of Affairs Management Department of President of the Russian Federation; The Central State Medical Academy of Affairs Management Department of President of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ГБУЗ МО “Московский областной клинический противотуберкулезный диспансер”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Regional Clinical TB Dispensary</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГБУ “Национальный медико-хирургический центр имени Н.И. Пирогова” Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Medical and Surgical Center named after N.I. Pirogov of the Ministry of Healthcare of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>09</day><month>10</month><year>2020</year></pub-date><volume>24</volume><issue>3</issue><fpage>54</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Егоров А.А., Кошелев Э.Г., Беляев Г.Ю., Честнова С.С., Соколова О.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Егоров А.А., Кошелев Э.Г., Беляев Г.Ю., Честнова С.С., Соколова О.В.</copyright-holder><copyright-holder xml:lang="en">Egorov A.A., Koshelev E.G., Belyaev G.Y., Chestnova S.S., Sokolova O.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://medvis.rdsmedia.ru/jour/article/view/950">https://medvis.rdsmedia.ru/jour/article/view/950</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования: определение нормальной толщины и контрастирования стенки тонкой кишки (ТК) в зависимости от фазы пищеварения при компьютерной томографии (КТ).</p></sec><sec><title>Материал и методы</title><p>Материал и методы. Обследовано 358 пациентов в возрасте от 20 до 88 лет. По результатам анкетирования пациенты разделены на 2 группы. Основную группу составили пациенты, обследованные натощак (n = 329), а дополнительную группу – пациенты, обследованные после приема пищи (n = 29). КТ-исследование живота выполнялось с толщиной среза не более 2 мм и болюсным контрастным усилением (КУ) неионным контрастным веществом. Результаты измерений толщины стенки ТК и интенсивности контрастирования подвергались группировке и статистической обработке.</p></sec><sec><title>Результаты и обсуждение</title><p>Результаты и обсуждение. По результатам нашего исследования среднее значение толщины стенки ТК в норме составляет 3,1 ± 1,2 мм с тенденцией уменьшения данного показателя в дистальном направлении. Достоверно определены закономерности изменения толщины и интенсивности контрастирования стенки ТК в норме в зависимости от возраста и последнего приема пищи. С увеличением возраста происходит диффузное истончение стенки ТК. В норме после приема пищи отмечается утолщение стенки ТК до 4,6 ± 1,8 мм и повышение интенсивности контрастирования, опосредованного повышением кровенаполнения, с градиентом плотности +10%. При проведении КУ начальные отделы ТК в сравнении с конечными контрастируются ярче. Градиент контрастирования начальных и конечных отделов ТК увеличивается после приема пищи, максимален у молодых пациентов и уменьшается с возрастом.</p></sec><sec><title>Выводы</title><p>Выводы. Для достоверной дифференцировки патологического утолщения и изменения контрастирования стенки ТК от физиологического является обязательным выяснение времени и характера последнего приема пищи и учет возраста обследуемого. У “неконтактных” пациентов возможна косвенная ориентировка по степени заполнения желудка и тонкой кишки.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose of the study</title><p>Purpose of the study. Determination of normal thickness and contrast of the wall of the small bowel (SB) depending on the phase of digestion on computed tomography (CT).</p></sec><sec><title>Material and methods</title><p>Material and methods. We examined 358 patients aged 20 to 88 years. According to the results of the survey, patients are divided into two groups. The main group consisted of patients examined on an empty stomach (n = 329), and an additional group consisted of patients examined after eating (n = 29). A CT scan of the abdomen was performed with a cut-off thickness of not more than 2 mm and a bolus contrast enhancement (CE) with a nonionic contrast medium. The results of measurements of the wall thickness of the SB and the intensity of its contrast were subjected to grouping and statistical processing.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. According to the results of our study, the average value of the wall thickness of the SB is normally 3.1 ± 1.2 mm, with a tendency to decrease this indicator in the distal direction. The regularities of changes in the thickness and intensity of contrasting of the wall of the SB in the norm depending on the age and the last meal were determined. With increasing age, diffuse thinning of the SB wall occurs. Normally, after eating, there is a thickening of the SB wall to 4.6 ± 1.8 mm and an increase in the intensity of contrast, mediated by an increase in blood supply, with a density gradient of + 10%. After CE, the proximal sections of the SB are contrasting brighter than the distal. The gradient of contrastion of the proximal and distal parts of the SB increases after meals, is maximum in young patients and decreases with age.</p></sec><sec><title>Conclusion</title><p>Conclusion. In order to reliably differentiate the pathological thickening and change the contrasting of the SB wall from the physiological one, it is imperative to ascertain the time and nature of the last meal and to take into account the age of the patient. In "non-contact" patients, an indirect orientation is possible according to the degree of filling of the stomach and SB.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>компьютерная томография</kwd><kwd>тонкая кишка</kwd><kwd>толщина стенки</kwd><kwd>исследование тонкой кишки</kwd><kwd>нормальная анатомия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>computed tomography</kwd><kwd>small bowel</kwd><kwd>wall thickness</kwd><kwd>small bowel examination</kwd><kwd>normal anatomy</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">Hayakawa K., Tanikake M., Yoshida S., Yamamoto A., Yamamoto E., Morimoto T. 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